Recent puzzles under tag mathematical

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In the diagram below, 8 identical regular octagons, with side length x, enclose a shape. What is the area.............

posted Jun 14, 2023 by Mridul

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If x is between 0 and 360 degrees, find all solutions to the equation: 81sin2 x + 81cos2 x = 30

posted Jun 9, 2023 by Nimish

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Take any number, say 8,675,309. Reverse the digits to get 9,035,768. The difference between the two numbers...........

posted Jun 9, 2023 by Vishal

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What is the missing number?

posted Jun 2, 2023 by Pankaj Deshmukh

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A circle is contained within a rectangle. Tangents to the circle are drawn from each corner of the rectangle............

posted Jun 1, 2023 by Puneet Batra

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It takes a little bit of work, but let’s prove why this is true!

posted Jun 1, 2023 by Sidharth Malhotra

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What place in this world can have their temperatures Fahrenheit and Celsius equal?

posted May 29, 2023 by Samardeep Acharya

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Use 4 4's and only 4 4's along with any mathematical operators to make a total of 95?

posted May 25, 2023 by Rahul Vaidya

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You have to make the equation true by inserting parentheses. You are allowed to insert parentheses between any.......

posted May 24, 2023 by Swati Arora

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Triangle ABC has AB = BC = 10 and AC = 10√2. The triangle is folded so that point A falls on the midpoint M of BC......

posted May 24, 2023 by Aman

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Use only one mathematical symbol and all numbers (0-9) to get a sum of 99.

posted May 17, 2023 by Upma

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Which quantity is greater?

posted May 16, 2023 by Sandeep Bedi

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The sum of a mother, her baby and her dog’s weight is 170 Kg. How much does the baby weigh if the mother weighs 100.....

posted May 12, 2023 by Tapesh Kulkarni

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What number should replace the question mark in the series below: 3.5, 4, 7, 14, 49, ?

posted May 11, 2023 by Samardeep Acharya

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If 3 is subtracted from a number and the remainder is squared, it is 45 less than the original number squared...........

posted May 8, 2023 by Yogeshwar Thakur

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If twice a number is squared and it is equal to one half of fifty. What is the number?

posted May 8, 2023 by Rahul Vaidya

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A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included........

posted May 5, 2023 by Aman

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How are the following numbers arranged? 2, 3, 6, 7, 1, 9, 4, 5, 8

posted May 5, 2023 by Mridul

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If we add four times the age of John four years from now to five times his age five years from now we get ten times.....

posted May 4, 2023 by Vishal

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Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about........

posted May 3, 2023 by Basabdatta Mukherjee

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Find The 4 Numbers, Using the clues below, what four numbers am I thinking of? The sum of all the numbers is 31. One...

posted May 1, 2023 by Ritika

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Can you solve this equation: -3^2 =?

posted Apr 28, 2023 by Rahul Chandel

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A square has side length equal to 1 meter. A circle is constructed through one corner of the square and tangent.........

posted Apr 28, 2023 by Sandeep Otari

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Use 4 4's and only 4 4's along with any mathematical operators to make a total of 90.

posted Apr 12, 2023 by Madhavi Latha

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Find the 3 digit code using the clues given below : 7 2 6 - One number is correct and well placed 3 2 9 -............

posted Apr 10, 2023 by Brijesh Talwar

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What number should replace the question mark in the series below: 6, 9, 15, 27, ?

posted Apr 10, 2023 by Saif Khanam

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Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given......

posted Apr 7, 2023 by Kuldeep Apte

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If the large circle has a radius equal to 12, what is a + b + c?

posted Apr 7, 2023 by Karan Joglekar

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Fresh and invigorated after completing her algebra homework, Mimi appeared at the living room door. She held..........

posted Apr 4, 2023 by Rahul Vaidya

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Quickly Solve this riddle 7 – 4 + 3 * 0 + 1 = ?

posted Apr 3, 2023 by Prachi Sharma

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Replace the question mark with the number below given a simple math problem.

posted Mar 31, 2023 by Vishal

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Let S be the set of all 5 digit numbers formed by the digits 1, 2, 3, 4, 5 without repetition. What is the sum..........

posted Mar 30, 2023 by Balwinder

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A generous owner of a company decided to give a bonus of $45 to every man and $60 to every woman on his birthday........

posted Mar 27, 2023 by Varuna Magar

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Two dice A and B are each numbered 1 to 6. But each dice is unfair: the numbers 1 to 6 do not all show with...........

posted Mar 23, 2023 by Sidharth Malhotra

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My current age is the age of my 14 year old brother plus one-third of my age. How old will I be when my brother.........

posted Mar 23, 2023 by Madhavi Latha

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Can you discover the missing number in this series?

posted Mar 20, 2023 by Karan Joglekar

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John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more ..........

posted Mar 20, 2023 by Aastha Joshi

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Find The Missing Number In the Sequence. 6; 25; 64; ?; 32; 1

posted Mar 16, 2023 by Yogeshwar Thakur

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A circle has chord PQ. Above the circle (and below it) is a circle tangent to the chord and the large circle...........

posted Mar 14, 2023 by Dilbagh

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Someone stole my stick. When I found it, 20 inches of it was in water, 1/4 of 1/2 of it was embedded in mud..........

posted Mar 14, 2023 by Mridul

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In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum........

posted Mar 13, 2023 by Vishal

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I went to the bookshop and spent one-half of the money that was in my purse. When I came out, I found that I had.......

posted Mar 13, 2023 by Atif

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Use 4 4's and only 4 4's along with any mathematical operators to make a total of 81.

posted Mar 10, 2023 by Balwinder

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Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

posted Mar 9, 2023 by Rajni

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Can you find the least possible number such that If the number is divided by 3, it gives the remainder of..........

posted Mar 8, 2023 by Prithvi

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Find the missing number.

posted Mar 7, 2023 by Varuna Magar

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Five players compete in a table tennis tournament such that each player plays every other player exactly once...........

posted Mar 6, 2023 by Pardeep Kohli

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Find the mistake in the below maths equations A = 2; A(A-1) = 2(A-1); A2-A = 2A-2; A2-2A = A-2; A(A-2) = A-2; A =1

posted Mar 3, 2023 by Manish Tiwari

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Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed..........

posted Mar 1, 2023 by Aastha Joshi

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A plot of land with area 876 m2 was divided into three rectangular portions of equal width using 177 m of fence.........

posted Feb 28, 2023 by Simranjeet Singh