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Most viewed puzzles under tag mathematical

0 votes
What is the next term in the following series - 43, 47, 53, 59, 61, 67, 71, ?
posted May 28, 2019 by Amarvansh
  • number puzzle
  • series
  • mathematical
  • logic
+1 vote
What is the volume of the octahedron inside this 8m^3 cube?
posted May 27, 2016 by Prithvi
  • geometry
  • mathematical
+1 vote
What is the radius of a circle whose area is 154 square inches?
posted Jul 4, 2016 by Udita
  • mathematical
  • geometry
0 votes
A hemisphere of lead of radius 7cm is cast into a right circular cone of height 49 cm. What would be the radius of base?
posted Apr 7, 2016 by anonymous
  • mathematical
  • geometry
0 votes
If a 32 meter broken bamboo is broken such that the tip meets the ground at a point 16 meters far from the base...
posted Jun 7, 2015 by anonymous
  • height distance
  • mathematical
+2 votes
If 1/x + 1/y = 1/3; 1/x + 1/z = 1/5; 1/y + 1/z = 1/7 then x/y = ??
posted Jun 13, 2015 by anonymous
  • mathematical
  • algebra
+1 vote
Which number is the odd one out?
posted Apr 12, 2017 by Chahat Sharma
  • logic
  • number puzzle
  • mathematical
0 votes
When you reverse the digits of the number 14 the number increases by 27, how many other two digits number increase......
posted Dec 15, 2016 by Pushpak Chauhan
  • mathematical
  • logic
  • number puzzle
+1 vote
If the sum of two numbers is 11, and the sum of their squares is 99, find the sum of their cubes.
posted Sep 3, 2015 by Upma
  • mathematical
  • algebra
+1 vote
A 5-metre stick is broken into two pieces at random. What is the length of the shorter piece, on average?
posted Apr 13, 2014 by anonymous
  • logic
  • mathematical
0 votes
If 412 = 6; 133 = 12; 523 = 16; 654 = 50 then 157 = ?
posted Jun 13, 2020 by Nikita Sehgal
  • logic
  • number puzzle
  • mathematical
0 votes
How many elements of the set {1!, 2!, 3!, ....2015!} are even numbers?
posted Jul 13, 2015 by Salil Agrawal
  • mathematical
  • algebra
+2 votes
A man had nine children, all born at regular intervals, and the sum of the squares of their ages...
posted Apr 12, 2016 by Harprith
  • mathematical
  • time age
+2 votes
2 women catch 2 fish in 2 minutes. At this rate, how many women could catch 500 fish in 500 minutes?
posted Jun 18, 2014 by Atif
  • mathematical
+2 votes
When a conical bottle rests on its flat base, the water in the bottle is 8 cm from the cone's vertex....
posted Nov 3, 2018 by anonymous
  • geometry
  • mathematical
+1 vote
Can you find out which number multiplied by itself will give the output as 12345678987654321 ?
posted Apr 17, 2015 by Madhavi Latha
  • logic
  • mathematical
0 votes
A child spends $100 on 100 toy animals. A cat cost $10.00, A fish costs........How many of each toy does the child buy ?
posted Mar 8, 2017 by Ujjwal Mehra
  • logic
  • mathematical
+2 votes
What is the missing number in the series: 2, 2, 4, 6, -, 10, 8, 14, 10?
posted Aug 6, 2016 by Mahedra Chaudhari
  • series
  • number puzzle
  • logic
  • mathematical
0 votes
Divide 581 among A, B, C such that 4A = 5B = 7C
posted Jun 23, 2015 by anonymous
  • mathematical
0 votes
You have 32 numbers. What is the least number of comparison needed to find the 2nd smallest out of them?
posted Nov 22, 2014 by anonymous
  • mathematical
  • logic
+1 vote
Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division.................
posted Jun 17, 2014 by Balwinder
  • mathematical
+1 vote
Find the diameter of the circle in the following image?
posted Apr 8, 2019 by anonymous
  • geometry
  • mathematical
0 votes
If 3 * 1 = 342, 4 * 2 = 862, 5 * 1 = 564, 3 * 2 = 651 Then 2 * 4 = ?
posted Aug 16, 2020 by Yogeshwar Thakur
  • number puzzle
  • logic
  • mathematical
+2 votes
A man purchased a cow for Rs. 3000 and sold it the same day for Rs. 3600, allowing the buyer a credit of 2 years...
posted Dec 17, 2015 by Aarati Mahajan
  • mathematical
  • profit loss
  • percentage
0 votes
If the age of the youngest member be 7 years, the average age of the family at the birth of the youngest member was?
posted Jul 14, 2015 by Tapesh Kulkarni
  • mathematical
  • logic
  • time age
0 votes
What number should replace the question mark? 8 - - 3, 47 - - 16, 20 - - 7, 59 - - 20, 32 - - ?
posted Apr 24, 2020 by Tapesh Kulkarni
  • number puzzle
  • series
  • mathematical
–1 vote
If 123 = 12, 233 = 24, 132 = 18, 532 = 30 then 145 = ?
posted Aug 8, 2020 by Sidharth Malhotra
  • number puzzle
  • mathematical
  • series
0 votes
A sphere of radius 13cm is cut by a plane whose distance from the center is 5cm. What is the perimeter of the cut?
posted Sep 13, 2016 by anonymous
  • geometry
  • mathematical
0 votes
What 3 digit number will give you the same answer whether you subtract 5 or divide by 5?
posted Jun 10, 2017 by Divya Joshna
  • mathematical
  • number puzzle
0 votes
Which number should replace the question mark?
posted Mar 25, 2017 by Karan Joglekar
  • number puzzle
  • logic
  • mathematical
0 votes
Guess me : What is the five-digit number, no zeroes, in which the second digit is three times the first .............
posted May 8, 2015 by Nikita Sehgal
  • logic
  • mathematical
  • number puzzle
0 votes
If average weight of A, B and C is 45 kg. If the average weight of A and B is 40 kg and that of B and C be 43 kg...
posted Mar 11, 2016 by Deepa
  • mathematical
–1 vote
Four years ago, Rahim age was three times Ramu's age. After two years, it would just be double. What are their aged now?
posted Aug 7, 2018 by anonymous
  • time age
  • mathematical
+2 votes
How many teams are there if there were a total of 595 handshakes?
posted May 29, 2015 by anonymous
  • mathematical
  • permutation
0 votes
What is the cost of a mango?
posted Aug 25, 2014 by Aarati Mahajan
  • mathematical
  • logic
0 votes
Given that (78)^9 = 6 And (69)^4 = 11 , Can you find out (89)^2 = ?
posted Oct 10, 2014 by Mohammad
  • logic
  • mathematical
+1 vote
Can you solve this mathematical puzzle : ( Q + U + I + C + K) ^ 3 = QUICK
posted Jul 18, 2017 by Naveen Kumar
  • mathematical
  • puzzle
+2 votes
What are the probabilities of winning for each player?
posted Dec 17, 2014 by Shashi Kant
  • mathematical
+2 votes
How can all four men cross the bridge in 17 minutes?
posted May 8, 2014 by Madhavi Latha
  • mathematical
  • riddle
0 votes
What number should replace the question mark?
posted Jul 31, 2015 by Karan Joglekar
  • logic
  • number puzzle
  • mathematical
+1 vote
If, 9 * 8 * 7 = 65 ; 8 * 7 * 6 = 50 ; 7 * 6 * 5 = 37 Find 6 * 5 * 4 = ?
posted Jun 18, 2014 by Udita
  • logic
  • mathematical
0 votes
If B's share of profit is Rs.36000, then what would be the total profit?
posted Dec 30, 2015 by anonymous
  • profit loss
  • mathematical
+1 vote
How many more triangles in the given figure must be shaded to make the fraction of unshaded part equal to 5/8?
posted Feb 14, 2019 by anonymous
  • mathematical
  • geometry
0 votes
ABCD is an isosceles trapezoid with bases AB and CD and sides AD and BC such that |CD| > |AB|...
posted Apr 24, 2016 by Kavana Gowda
  • geometry
  • mathematical
+4 votes
In how many ways can all of the letters be placed in the wrong envelopes?
posted Sep 22, 2015 by anonymous
  • mathematical
  • permutation
0 votes
A uniform wire of length 20cm is bent into shape V of 60 degree. What is distance of its center of mass from vertex A?
posted Oct 6, 2017 by anonymous
  • mathematical
0 votes
If the difference of two numbers is 9 and their product is 13, what is the sum of their squares?
posted Jul 15, 2014 by Saif Khanam
  • mathematical
0 votes
What is the average of first 100 multiples of 5 ?
posted Aug 19, 2014 by Basabdatta Mukherjee
  • mathematical
0 votes
In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the...........
posted Dec 28, 2015 by Dilbagh
  • mathematical
  • ratio
+1 vote
What is the relative speed of Gear A and Gear B?
posted Oct 23, 2015 by Rajni
  • logic
  • mathematical
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