Queryhome Puzzles - Questions under tag mathematicalLooking for Exercising Your Brain solve Logical Puzzles, Interview Puzzles, Number Puzzles, Visual Puzzles, Riddles, Brain Teasers, Sequences and much more.
https://www.queryhome.com/puzzle/tag/mathematical
The banker's discount on a bill due 8 months hence at 11% is Rs 4700. What is the true discount?
https://www.queryhome.com/puzzle/27400/bankers-discount-bill-months-hence-4700-what-true-discount
<p> #mathematical #discount;</p>
mathematicaldiscounthttps://www.queryhome.com/puzzle/27400/bankers-discount-bill-months-hence-4700-what-true-discountFri, 22 Jun 2018 08:58:53 +0000What is the highest number you can possibly score?
https://www.queryhome.com/puzzle/27399/what-is-the-highest-number-you-can-possibly-score
<p> #mathematical;</p><p>Calculate the numbers in the order shown, do not change the order of the numbers.</p>
<p>Replace each question mark with a mathematical sign. Plus, minus, multiply and divide can each be used once only.</p>
<p>What is the highest number you can possibly score?</p>
<p>8 ? 5 ? 2 ? 6 ? 3 = ?</p>
mathematicalhttps://www.queryhome.com/puzzle/27399/what-is-the-highest-number-you-can-possibly-scoreFri, 22 Jun 2018 08:03:07 +0000How many days will 5 men and 12 women take to do it?
https://www.queryhome.com/puzzle/27390/how-many-days-will-5-men-and-12-women-take-to-do-it
<p> #mathematical;</p><p>If 6 men and 10 women can do a piece of work in 15 days and 5 men and 9 women can do it in 17 days.<br>
How many days will 5 men and 12 women take to do it?</p>
mathematicalhttps://www.queryhome.com/puzzle/27390/how-many-days-will-5-men-and-12-women-take-to-do-itThu, 21 Jun 2018 08:11:22 +0000Find the number of correctly answered questions
https://www.queryhome.com/puzzle/27359/find-the-number-of-correctly-answered-questions
<p> #mathematical #logic #tricky #reasoning;</p><p>On an entrance exam there are about 100 questions, for each wrong answer 1/3 marks will be reduced. A boy attended the exam and earned a final score of 53.33. So, now out of hundred, how many questions did the boy answered correctly and how many did he answered wrong? assuming that he has answered 100 questions completely on that exam ?</p>
mathematicallogictrickyreasoninghttps://www.queryhome.com/puzzle/27359/find-the-number-of-correctly-answered-questionsWed, 20 Jun 2018 08:46:38 +0000What is the measure of angle X in degrees?
https://www.queryhome.com/puzzle/27311/what-is-the-measure-of-angle-x-in-degrees
<p> #geometry #mathematical;</p><p>What is the measure of angle X in degrees?<br>
<a rel="nofollow" href="https://www.queryhome.com/puzzle/?qa=blob&qa_blobid=5212985402724102123" class="thickbox"> <img src="https://www.queryhome.com/puzzle/?qa=blob&qa_blobid=5212985402724102123" alt="enter image description here"></a></p>
geometrymathematicalhttps://www.queryhome.com/puzzle/27311/what-is-the-measure-of-angle-x-in-degreesSat, 16 Jun 2018 16:33:03 +0000Find the sum of all whole numbers whose digits are strictly increasing?
https://www.queryhome.com/puzzle/27310/find-sum-whole-numbers-whose-digits-are-strictly-increasing
<p> #numberpuzzle #mathematical;</p><p>Find the sum of all whole numbers whose digits are strictly increasing?</p>
<p>Examples of such numbers are 5, 379, and 12345789<br>
Some non-examples are 22, 102, and 123456798</p>
number puzzlemathematicalhttps://www.queryhome.com/puzzle/27310/find-sum-whole-numbers-whose-digits-are-strictly-increasingSat, 16 Jun 2018 16:28:00 +0000P can do a work in 20 days, Q can do the same in 12 days and R 16 days. Q and R start the work and leave after 6 days...
https://www.queryhome.com/puzzle/27309/work-days-can-same-days-and-days-start-the-work-leave-after-days
<p> #timework #mathematical;</p><p>P can do a work in 20 days. Q can do the same work in 12 days and R can do the same in 16 days. Q and R start the work and leave after 6 days. P finishes the remaining work in X days. What is the value of X?</p>
time workmathematicalhttps://www.queryhome.com/puzzle/27309/work-days-can-same-days-and-days-start-the-work-leave-after-daysSat, 16 Jun 2018 16:25:37 +0000What was the average number of runs in the last 30 overs only?
https://www.queryhome.com/puzzle/27300/what-was-the-average-number-of-runs-in-the-last-30-overs-only
<p> #mathematical #average;</p><p>In a cricket match the average number of runs per over in the first 20 overs was three.</p>
<p>After a further 30 overs the average number of runs rose to seven.</p>
<p>What was the average number of runs in the last 30 overs only?</p>
mathematicalaveragehttps://www.queryhome.com/puzzle/27300/what-was-the-average-number-of-runs-in-the-last-30-overs-onlySat, 16 Jun 2018 07:52:42 +0000Whats the output of below equation? (10^0 + 10^1 *10^2 - 10^0)/10 = ?
https://www.queryhome.com/puzzle/27299/whats-the-output-of-below-equation-10-0-10-1-10-2-10-0-10
<p> #logic #mathematical;</p><p>Whats the output of below equation?</p>
<p>(10^0 + 10^1 *10^2 - 10^0)/10 = ?</p>
<p>Note: This belongs to quick-fire section riddles so you need to answer this really fast.</p>
logicmathematicalhttps://www.queryhome.com/puzzle/27299/whats-the-output-of-below-equation-10-0-10-1-10-2-10-0-10Sat, 16 Jun 2018 07:08:09 +0000In how many ways by using number 1 to 7 and + operator, you can make the number as 100?
https://www.queryhome.com/puzzle/27298/how-many-ways-using-number-and-operator-you-can-make-number-100
<p> #logic #mathematical;</p>
logicmathematicalhttps://www.queryhome.com/puzzle/27298/how-many-ways-using-number-and-operator-you-can-make-number-100Sat, 16 Jun 2018 06:23:17 +0000What is the value of X?
https://www.queryhome.com/puzzle/27288/what-is-the-value-of-x
<p> #mathematical #algebra;</p><p>Pawan can do a work in 20 days. Karthik can do the same work in 12 days and Rohan can do the same in 16 days.<br>
Karthik and Rohan start the work and leave after 6 days.<br>
Pawan finishes the remaining work in X days. <br>
What is the value of X?</p>
mathematicalalgebrahttps://www.queryhome.com/puzzle/27288/what-is-the-value-of-xFri, 15 Jun 2018 08:16:54 +0000A prime number less than 70 is randomly picked, what is probability that one of its digit will be 7?
https://www.queryhome.com/puzzle/27245/prime-number-randomly-picked-what-probability-that-digit-will
<p> #probability #mathematical;</p>
probabilitymathematicalhttps://www.queryhome.com/puzzle/27245/prime-number-randomly-picked-what-probability-that-digit-willTue, 12 Jun 2018 06:22:14 +0000Ahaan bought a mobile with 25% discount on the labeled price. He sold the..........At what price did he buy the mobile?
https://www.queryhome.com/puzzle/27234/ahaan-bought-mobile-with-discount-labeled-price-price-mobile
<p> #mathematical #profitloss #percentage;</p><p>Ahaan bought a mobile with 25% discount on the labeled price. <br>
He sold the mobile for Rs 3200 with 20% profit on the labeled price.<br>
At what price did he buy the mobile?</p>
mathematicalprofit losspercentagehttps://www.queryhome.com/puzzle/27234/ahaan-bought-mobile-with-discount-labeled-price-price-mobileMon, 11 Jun 2018 06:44:45 +0000P is a point inside triangle ABC. Lines are drawn through P parallel to the sides of the triangle....
https://www.queryhome.com/puzzle/27206/inside-triangle-lines-drawn-through-parallel-sides-triangle
<p> #geometry #mathematical;</p><p>P is a point inside triangle ABC. Lines are drawn through P parallel to the sides of the triangle. The three resulting triangles with the vertices at P have areas 4, 9, 49 sq units. The area of triangle ABC is</p>
geometrymathematicalhttps://www.queryhome.com/puzzle/27206/inside-triangle-lines-drawn-through-parallel-sides-triangleThu, 07 Jun 2018 16:51:59 +0000If a^2 + b^2 + C^2 = 9 then what is the max value of 2(a + b + c) - abc where a,b,c are real numbers?
https://www.queryhome.com/puzzle/27205/if-then-what-is-the-max-value-of-abc-where-a-b-c-are-real-numbers
<p> #algebra #mathematical;</p>
algebramathematicalhttps://www.queryhome.com/puzzle/27205/if-then-what-is-the-max-value-of-abc-where-a-b-c-are-real-numbersThu, 07 Jun 2018 16:50:38 +0000Surya bought some computer games at a rate of six for $40, and sold them at a rate...........how many games did he sell?
https://www.queryhome.com/puzzle/27199/surya-bought-some-computer-games-sold-them-rate-many-games-sell
<p> #mathematical;</p><p>Surya bought some computer games at a rate of six for $40, and sold them at a rate of four for $40.<br>
If he made $280 profit, how many games did he sell?</p>
mathematicalhttps://www.queryhome.com/puzzle/27199/surya-bought-some-computer-games-sold-them-rate-many-games-sellThu, 07 Jun 2018 07:19:16 +0000How many factors of 1907980272 are even numbers?
https://www.queryhome.com/puzzle/27198/how-many-factors-of-1907980272-are-even-numbers
<p> #mathematical #algebra;</p>
mathematicalalgebrahttps://www.queryhome.com/puzzle/27198/how-many-factors-of-1907980272-are-even-numbersThu, 07 Jun 2018 05:31:59 +0000What does 2 squared, plus the circumference of a circle, minus twice the product of the circle's radius and pi..........
https://www.queryhome.com/puzzle/27190/squared-circumference-circle-minus-product-circles-radius
<p> #mathematical;</p><p>What does 2 squared, plus the circumference of a circle, minus twice the product of the circle's radius and pi, minus the cube root of 8, equal?</p>
mathematicalhttps://www.queryhome.com/puzzle/27190/squared-circumference-circle-minus-product-circles-radiusWed, 06 Jun 2018 07:12:32 +0000In 2017, A is 9 years older than B who is five times as old as C. The total of the ages of A, B and C is 97 years....
https://www.queryhome.com/puzzle/27170/2017-years-older-than-five-times-the-total-the-ages-and-years
<p> #timeage #mathematical;</p><p>In 2017, A is 9 years older than B who is five times as old as C. The total of the ages of A, B and C is 97 years. What would be the average of A and C ages in the year 2024 ?</p>
time agemathematicalhttps://www.queryhome.com/puzzle/27170/2017-years-older-than-five-times-the-total-the-ages-and-yearsMon, 04 Jun 2018 06:31:22 +0000If a,b and c are positive real numbers, such that (1+a)(1+b)(1+c) = 8 then the maximum value of a.b.c
https://www.queryhome.com/puzzle/27131/and-are-positive-real-numbers-such-that-then-the-maximum-value
<p> #algebra #mathematical;</p>
algebramathematicalhttps://www.queryhome.com/puzzle/27131/and-are-positive-real-numbers-such-that-then-the-maximum-valueThu, 31 May 2018 12:59:38 +0000If first 17 positive integers are rearranged into a sequence such that sum of any two adjacent is a perfect square...
https://www.queryhome.com/puzzle/27130/positive-integers-rearranged-sequence-adjacent-perfect-square
<p> #mathematical #numberpuzzle;</p><p>First 17 positive integers (1..17) are rearranged into a sequence such that the sum of any two adjacent terms is a perfect square.<br>
What is the sum of the first and last terms of this sequence?</p>
mathematicalnumber puzzlehttps://www.queryhome.com/puzzle/27130/positive-integers-rearranged-sequence-adjacent-perfect-squareThu, 31 May 2018 12:56:45 +0000Read the following statement and fill in the blanks?
https://www.queryhome.com/puzzle/27126/read-the-following-statement-and-fill-in-the-blanks
<p> #mathematical;</p><p><a rel="nofollow" href="https://www.queryhome.com/gk/?qa=blob&qa_blobid=7946071422876873843" class="thickbox"> <img src="https://www.queryhome.com/gk/?qa=blob&qa_blobid=7946071422876873843" alt="enter image description here"></a></p>
mathematicalhttps://www.queryhome.com/puzzle/27126/read-the-following-statement-and-fill-in-the-blanksWed, 30 May 2018 17:04:02 +0000Two vessels A and B containing 25 litres each of milk and water respectively. 5 litres of milk from A is poured into B..
https://www.queryhome.com/puzzle/27122/vessels-containing-litres-water-respectively-litres-poured
<p> #ratio #mathematical;</p><p>There are two vessels A and B containing 25 litres each of pure milk and pure water respectively. 5 litres of milk from A is taken and poured into B, then 6 litres of mixture from B is taken and poured in A. What is the ratio of water from vessel A and B: </p>
ratiomathematicalhttps://www.queryhome.com/puzzle/27122/vessels-containing-litres-water-respectively-litres-pouredWed, 30 May 2018 10:33:29 +0000Train A, travelling at 84 kmph, overtook train B, traveling in the same direction, in 10 seconds....
https://www.queryhome.com/puzzle/27121/train-travelling-overtook-train-traveling-direction-seconds
<p> #timedistance #mathematical;</p><p>Train A, travelling at 84 kmph, overtook train B, traveling in the same direction, in 10 seconds. If train B had been traveling at twice of its original speed, then train A would have taken 22.5 seconds to overtake it. Find the length of train B, given that it is half the length of train A. </p>
time distancemathematicalhttps://www.queryhome.com/puzzle/27121/train-travelling-overtook-train-traveling-direction-secondsWed, 30 May 2018 10:31:57 +0000some money is to be distributed among X, Y and Z in ratio 3 : 1 : 5. Difference between Y’s and Z’s share is Rs. 3600...
https://www.queryhome.com/puzzle/27115/some-money-distributed-among-ratio-difference-between-share
<p> #ratio #mathematical;</p><p>An amount of money is to be distributed among X, Y and Z in the ratio 3 : 1 : 5. The difference between Y’s and Z’s share is Rs. 3600. What is the total of X’s and Y’s share? </p>
ratiomathematicalhttps://www.queryhome.com/puzzle/27115/some-money-distributed-among-ratio-difference-between-shareTue, 29 May 2018 11:58:31 +0000What is the dividend of 22 divided by 7?
https://www.queryhome.com/puzzle/27107/what-is-the-dividend-of-22-divided-by-7
<p> #logic #numberpuzzle #mathematical;</p>
logicnumber puzzlemathematicalhttps://www.queryhome.com/puzzle/27107/what-is-the-dividend-of-22-divided-by-7Mon, 28 May 2018 13:11:19 +0000Trapezoid as shown has two parallel sides with length 5 and 15 & two diagonals with length 12 and 16. What is its area?
https://www.queryhome.com/puzzle/27105/trapezoid-shown-parallel-sides-length-diagonals-with-length
<p> #geometry #mathematical;</p><p>Trapezoid as shown has two parallel sides with length 5 and 15 & two diagonals with length 12 and 16. What is its area?</p>
<p><a rel="nofollow" href="https://www.queryhome.com/puzzle/?qa=blob&qa_blobid=10249875212616067129" class="thickbox"> <img src="https://www.queryhome.com/puzzle/?qa=blob&qa_blobid=10249875212616067129" alt="enter image description here"></a></p>
geometrymathematicalhttps://www.queryhome.com/puzzle/27105/trapezoid-shown-parallel-sides-length-diagonals-with-lengthMon, 28 May 2018 09:38:30 +0000A circle of radius 1 is tangent to the parabola y=x^2 as shown. Find the gray area between the circle and the parabola?
https://www.queryhome.com/puzzle/27094/circle-radius-tangent-parabola-shown-between-circle-parabola
<p> #geometry #mathematical #algebra;</p><p>A circle of radius 1 is tangent to the parabola y=x^2 as shown. Find the gray area between the circle and the parabola?</p>
<p><a rel="nofollow" href="https://puzzle.queryhome.com/?qa=blob&qa_blobid=6708504055382447961" class="thickbox"> <img src="https://puzzle.queryhome.com/?qa=blob&qa_blobid=6708504055382447961" alt="enter image description here"></a></p>
geometrymathematicalalgebrahttps://www.queryhome.com/puzzle/27094/circle-radius-tangent-parabola-shown-between-circle-parabolaFri, 25 May 2018 08:43:30 +0000Sum of the ages of a boy and his father is 49 years. Before 11 years Father's age was 8 times the age of the boy...
https://www.queryhome.com/puzzle/27091/ages-and-father-years-before-years-fathers-age-was-times-the
<p> #timeage #mathematical;</p><p>Sum of the ages of a boy and his father is 49 years. Before 11 years Father's age was 8 times the age of the boy. What was the age of father (in years) at the time of birth of the child?</p>
time agemathematicalhttps://www.queryhome.com/puzzle/27091/ages-and-father-years-before-years-fathers-age-was-times-theFri, 25 May 2018 06:52:17 +0000As shown, a rectangle is partitioned into four triangles. Areas of two right triangles are 30 and 50....
https://www.queryhome.com/puzzle/27084/shown-rectangle-partitioned-triangles-areas-right-triangles
<p> #geometry #mathematical;</p><p>As shown, a rectangle is partitioned into four triangles: 1 equilateral and 3 right triangles. The areas of two of the right triangles are 30 and 50. Find the area of the remaining right triangle?</p>
<p><a rel="nofollow" href="https://puzzle.queryhome.com/?qa=blob&qa_blobid=468022881225258966" class="thickbox"> <img src="https://puzzle.queryhome.com/?qa=blob&qa_blobid=468022881225258966" alt="enter image description here"></a></p>
geometrymathematicalhttps://www.queryhome.com/puzzle/27084/shown-rectangle-partitioned-triangles-areas-right-trianglesThu, 24 May 2018 05:44:32 +0000The temperature on a unit sphere x^2 + y^2 + z^2 = 1, is given by a temperature distribution T(x,y,z) = 50.(xy + yz)...
https://www.queryhome.com/puzzle/27083/the-temperature-unit-sphere-given-temperature-distribution
<p> #mathematical #algebra;</p><p>The temperature on a unit sphere x^2 + y^2 + z^2 = 1, is given by a temperature distribution</p>
<pre><code>T(x,y,z) = 50.(xy + yz)
</code></pre>
<p>What is the temperature difference between the coldest and warmest point on the sphere?</p>
mathematicalalgebrahttps://www.queryhome.com/puzzle/27083/the-temperature-unit-sphere-given-temperature-distributionThu, 24 May 2018 05:42:03 +0000Two numbers are in the ratio 3 : 4. If their L.C.M. is 192. what is product of the numbers?
https://www.queryhome.com/puzzle/27082/two-numbers-are-the-ratio-their-192-what-product-the-numbers
<p> #mathematical;</p>
mathematicalhttps://www.queryhome.com/puzzle/27082/two-numbers-are-the-ratio-their-192-what-product-the-numbersThu, 24 May 2018 05:39:04 +0000If log 27 = 1.935, then what is the value of log 9
https://www.queryhome.com/puzzle/27070/if-log-27-1-935-then-what-is-the-value-of-log-9
<p> #algebra #mathematical;</p>
algebramathematicalhttps://www.queryhome.com/puzzle/27070/if-log-27-1-935-then-what-is-the-value-of-log-9Wed, 23 May 2018 05:42:52 +0000What would be the sum of all positive integers n such that 20n and 5n+275 both are perfect squares?
https://www.queryhome.com/puzzle/27059/what-would-positive-integers-such-that-both-perfect-squares
<p> #algebra #mathematical;</p>
algebramathematicalhttps://www.queryhome.com/puzzle/27059/what-would-positive-integers-such-that-both-perfect-squaresMon, 21 May 2018 08:20:01 +0000If sin x + sin y + sin z = 0 and cos x + cos y + cos z = 0 then what is the value of cos (x - y) = ?
https://www.queryhome.com/puzzle/27049/if-sin-sin-y-sin-and-cos-cos-y-cos-then-what-is-the-value-of-cos-x-y
<p> #mathematical #trigonometry;</p>
mathematicaltrigonometryhttps://www.queryhome.com/puzzle/27049/if-sin-sin-y-sin-and-cos-cos-y-cos-then-what-is-the-value-of-cos-x-yFri, 18 May 2018 05:26:51 +000020 workers start working on a project of packing consignments and need exactly 5 hours to pack one consignment....
https://www.queryhome.com/puzzle/27048/workers-project-packing-consignments-exactly-consignment
<p> #timework #logic #mathematical;</p><p>In a factory, 20 workers start working on a project of packing consignments. They need exactly 5 hours to pack one consignment. Every hour 4 new workers join the existing workforce. It is mandatory to relieve a worker after 10 hours. Then how many number of consignments that would be packed in the initial 113 hours?</p>
time worklogicmathematicalhttps://www.queryhome.com/puzzle/27048/workers-project-packing-consignments-exactly-consignmentFri, 18 May 2018 04:37:47 +0000Find the minimum surface area for a polycube composed of 2000 unit cubes?
https://www.queryhome.com/puzzle/27045/find-minimum-surface-area-polycube-composed-2000-unit-cubes
<p> #geometry #mathematical;</p><p>Find the minimum surface area for a polycube composed of 2000 unit cubes?</p>
<p>Polycube: A polycube is a solid figure formed by joining one or more equal cubes face to face...</p>
geometrymathematicalhttps://www.queryhome.com/puzzle/27045/find-minimum-surface-area-polycube-composed-2000-unit-cubesThu, 17 May 2018 05:17:54 +0000What is the area of the blue region in the following image where all the numbered quadrilateral are square?
https://www.queryhome.com/puzzle/27044/region-following-image-where-numbered-quadrilateral-square
<p> #geometry #mathematical;</p><p>What is the area of the blue region in the following image?</p>
<p><a rel="nofollow" href="https://puzzle.queryhome.com/?qa=blob&qa_blobid=15509194965762965254" class="thickbox"> <img src="https://puzzle.queryhome.com/?qa=blob&qa_blobid=15509194965762965254" alt="enter image description here"></a></p>
geometrymathematicalhttps://www.queryhome.com/puzzle/27044/region-following-image-where-numbered-quadrilateral-squareThu, 17 May 2018 05:13:53 +0000If A != B and A^n + B^n is an integer for all positive integers n, must A and B both be the integers?
https://www.queryhome.com/puzzle/27042/integer-for-all-positive-integers-must-and-both-the-integers
<p> #numberpuzzle #mathematical #logic #algebra;</p>
number puzzlemathematicallogicalgebrahttps://www.queryhome.com/puzzle/27042/integer-for-all-positive-integers-must-and-both-the-integersThu, 17 May 2018 04:58:36 +0000If a^b = 1; b^c = 2 and c^a = 3 and a,b,c are rational number then what is a + b + c = ?
https://www.queryhome.com/puzzle/27037/if-a-b-1-b-c-2-and-c-a-3-and-a-b-c-are-rational-number-then-what-is-a-b-c
<p> #algebra #mathematical;</p>
algebramathematicalhttps://www.queryhome.com/puzzle/27037/if-a-b-1-b-c-2-and-c-a-3-and-a-b-c-are-rational-number-then-what-is-a-b-cWed, 16 May 2018 11:01:47 +0000A man borrows Rs 6000 at 10% compound rate annually. He pays back Rs 2000 each year to clear his debt....
https://www.queryhome.com/puzzle/27035/borrows-compound-rate-annually-pays-back-2000-each-clear-debt
<p> #interest #mathematical;</p><p>A man borrows Rs 6000 at 10% rate of interest compounded annually. He pays back Rs 2000 at the end of each year to clear his debt. The amount that he should pay to clear all his dues at the end of third year is</p>
interestmathematicalhttps://www.queryhome.com/puzzle/27035/borrows-compound-rate-annually-pays-back-2000-each-clear-debtWed, 16 May 2018 07:18:35 +0000Two pipes A and B can separately fill a cistern in 60 and 75 mins respectively, there is a third pipe in the bottom...
https://www.queryhome.com/puzzle/27033/pipes-separately-cistern-respectively-there-third-bottom
<p> #mathematical #timework;</p><p>Two pipes A and B can separately fill a cistern in 60 minutes and 75 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then then the cistern is full in 50 minutes. In how much time the third pipe alone can empty the cistern? </p>
mathematicaltime workhttps://www.queryhome.com/puzzle/27033/pipes-separately-cistern-respectively-there-third-bottomWed, 16 May 2018 07:10:38 +0000Prove A + ĀB = A +B using theorems and laws of Boolean Algebra?
https://www.queryhome.com/puzzle/27021/prove-a-%C4%81b-a-b-using-theorems-and-laws-of-boolean-algebra
<p> #mathematical;</p>
mathematicalhttps://www.queryhome.com/puzzle/27021/prove-a-%C4%81b-a-b-using-theorems-and-laws-of-boolean-algebraMon, 14 May 2018 12:34:13 +0000How many kg of salt at 25 paise per kg must be mixed with 50 kg of salt costing 42 paise per kg so that...
https://www.queryhome.com/puzzle/27004/how-many-salt-paise-must-mixed-with-salt-costing-paise-per-that
<p> #mathematical #ratio #profitloss;</p><p>How many kg of salt at 25 paise per kg must be mixed with 50 kg of salt costing 42 paise per kg so that a merchant will get a profit of 30% by selling the mixture at 39 paise per kg?</p>
mathematicalratioprofit losshttps://www.queryhome.com/puzzle/27004/how-many-salt-paise-must-mixed-with-salt-costing-paise-per-thatSat, 12 May 2018 10:31:08 +0000What is the maximum volume of a cone inscribed in a sphere of radius 6?
https://www.queryhome.com/puzzle/26993/what-the-maximum-volume-of-cone-inscribed-in-sphere-of-radius
<p> #mathematical #geometry;</p><p>What is the maximum volume of a cone inscribed in a sphere of radius 6? </p>
<p>Note: share your workings also</p>
mathematicalgeometryhttps://www.queryhome.com/puzzle/26993/what-the-maximum-volume-of-cone-inscribed-in-sphere-of-radiusThu, 10 May 2018 16:17:54 +00003 men and 3 women are to sit at a round table. In how many different ways can they sit so that no 2 women sit together?
https://www.queryhome.com/puzzle/26990/women-round-table-many-different-ways-they-that-women-together
<p> #permutation #mathematical;</p>
permutationmathematicalhttps://www.queryhome.com/puzzle/26990/women-round-table-many-different-ways-they-that-women-togetherThu, 10 May 2018 16:12:34 +0000Six students around a circular table. Num of ways they can be seated if two particular persons are next to each other?
https://www.queryhome.com/puzzle/26989/students-around-circular-table-seated-particular-persons
<p> #permutation #mathematical;</p><p>There are 6 students to be seated around a circular table. In how many ways they can be seated if two particular persons are next to each other.</p>
permutationmathematicalhttps://www.queryhome.com/puzzle/26989/students-around-circular-table-seated-particular-personsThu, 10 May 2018 16:11:48 +0000Find the number of ways in which the letters of the word ARRANGE can be arranged such that both R do not come together.
https://www.queryhome.com/puzzle/26988/number-which-letters-arrange-arranged-such-that-come-together
<p> #mathematical #permutation;</p>
mathematicalpermutationhttps://www.queryhome.com/puzzle/26988/number-which-letters-arrange-arranged-such-that-come-togetherThu, 10 May 2018 16:10:19 +0000Four right triangles with distinct integer hypotenuses are put together to form a quadrilateral, as shown in image...
https://www.queryhome.com/puzzle/26979/triangles-distinct-integer-hypotenuses-together-quadrilateral
<p> #geometry #mathematical;</p><p>Four right triangles with distinct integer hypotenuses are put together to form a quadrilateral, as shown in image.<br>
What's the smallest possible perimeter of this quadrilateral?</p>
<p><a rel="nofollow" href="https://puzzle.queryhome.com/?qa=blob&qa_blobid=2566521575884081026" class="thickbox"> <img src="https://puzzle.queryhome.com/?qa=blob&qa_blobid=2566521575884081026" alt="enter image description here"></a></p>
<p>Note: Legs of the triangles need not to be integers.</p>
geometrymathematicalhttps://www.queryhome.com/puzzle/26979/triangles-distinct-integer-hypotenuses-together-quadrilateralWed, 09 May 2018 06:40:41 +0000A prime number less than 60 is randomly picked, what is probability that one of its digit will be 3?
https://www.queryhome.com/puzzle/26978/prime-number-randomly-picked-what-probability-that-digit-will
<p> #probability #mathematical;</p>
probabilitymathematicalhttps://www.queryhome.com/puzzle/26978/prime-number-randomly-picked-what-probability-that-digit-willWed, 09 May 2018 05:38:59 +0000