Recent puzzles under tag mathematical

+1 vote

What is the ratio of dimensions of this special rectangle ?

posted Apr 6, 2017 by Tejas Naik

–1 vote

Three dices are thrown simultaneously. What is the probability of getting three numbers whose sum is 13?

posted Apr 4, 2017 by anonymous

+1 vote

A five pointed star is made by extending sides of a regular pentagon. What fraction of star on right is shaded yellow?

posted Apr 3, 2017 by anonymous

0 votes

There are 10 squares that are constructed as shown in the diagram. Find the difference between blue and red angle?

posted Apr 3, 2017 by anonymous

0 votes

Rahane scored 38 runs which includes 4 fours and 2 sixes. What percent of runs he make by running between wickets?

posted Apr 3, 2017 by anonymous

–1 vote

If 5(tan²x-cos²x)=2cos 2x+9 then what is the value of cos 4x

posted Apr 3, 2017 by Vishal Singh

0 votes

If 2*5=6 and 3*6=8 and 6*7=8 and 4*8=6 then the value of 7*9 is=?

posted Mar 31, 2017 by Vu Quoc Tuan

0 votes

A triangle has a bug on each corner. If each walks in random direction, find probability of no bug crashs with other?

posted Mar 31, 2017 by Deepa

+4 votes

A maths symbol is hidden in the below rebus. Can you decipher it?

posted Mar 31, 2017 by Upma

0 votes

How to buy 20 animals in 20 rupees if 4 donkey price is 1 rupee, 2 horses price is 1 rupees and 1 camel costs 4 rupees?

posted Mar 28, 2017 by anonymous

0 votes

Which is the smallest number of five digits which is divisible by 15, 27 and 35?

posted Mar 28, 2017 by anonymous

0 votes

Which number should replace the question mark?

posted Mar 25, 2017 by Karan Joglekar

0 votes

Find the maximum velocity of a car moving on a circular track of radius 100 m?

posted Mar 24, 2017 by Pardeep Kohli

+3 votes

Each circle has radius 1. What is the area of the green region in the following image?

posted Mar 22, 2017 by Salil Agrawal

+1 vote

A ball is dropped vertically upon a slope. What type of progression do the distances between each consecutive bounce?

posted Mar 22, 2017 by anonymous

0 votes

Sum of first three terms of a geometric progression is 8 and sum of first six terms is 12. Find the common ratio of GP?

posted Mar 22, 2017 by anonymous

0 votes

A helicopter is flying along the curve given by y = x^2+7. A soldier placed at (3,7) wants to shoot down helicopter...

posted Mar 22, 2017 by anonymous

0 votes

At what height should the hole be made in the drum to maximize the horizontal distance of splash down point and drum?

posted Mar 21, 2017 by anonymous

+1 vote

You need to arrange three 7 and mathematical symbols to form number 1?

posted Mar 21, 2017 by Mohammad

0 votes

How many minutes will there be between their arrival times?

posted Mar 20, 2017 by Basabdatta Mukherjee

0 votes

Which is larger 3^4 + 3^4 + 3^4 or 3^5?

posted Mar 20, 2017 by anonymous

0 votes

At what rate of compound interest per annum will a sum of Rs. 6000 become Rs. 6615 in 2 years?

posted Mar 20, 2017 by anonymous

0 votes

What is the correct value of 3^2^85 = ?

posted Mar 16, 2017 by anonymous

0 votes

Can you guess the TIME on the last watch (watch puzzle)?

posted Mar 16, 2017 by Divya Joshna

0 votes

Can you solve the alphametic puzzle by replacing alphabet with the number?

posted Mar 15, 2017 by Rajni

+1 vote

Can you solve this simple maths MatchStick problem you are only allowed to replace the matchstick and not take them out?

posted Mar 15, 2017 by Ranjith Havaldar

0 votes

Find the products of mean, median and mode for the following list of values: 26 23 13 27 14 31 27

posted Mar 15, 2017 by anonymous

+1 vote

A uniform plank of langth L is supported by two forces F1 and F2 at the distance of L/8 and L/4 from end. What is F1/F2?

posted Mar 9, 2017 by Dady Uhs

+1 vote

Find the missing number in the table.

posted Mar 9, 2017 by Ankur Athari

0 votes

What is the largest area you can achieve in the given image? a) Less than 4 b) 4 c) Greater than 4

posted Mar 8, 2017 by anonymous

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

0 votes

If abc + abc + abc = ccc then find the value of (a*b*c)- (a*b) – (a*c) - a - b - c

posted Mar 8, 2017 by anonymous

0 votes

Find market value of an 8.5% stock, in which an income of Rs. 750 is derived by investing Rs.12000, with 1/4% brokerage?

posted Mar 7, 2017 by anonymous

0 votes

If an electric iron of 1600 W is used for 45 minutes everyday, find the electric energy consumed in a leap year?

posted Mar 6, 2017 by anonymous

0 votes

What is the minimum number of boxes needed to satisfy the following conditions?

posted Mar 6, 2017 by anonymous

0 votes

At what rate of compound interest per annum will a sum of Rs. 5678 become Rs. 7512.5 in 4 years?

posted Mar 6, 2017 by anonymous

0 votes

What is the probability of getting a sum 13 from three throws of a dice?

posted Mar 3, 2017 by anonymous

+1 vote

Two trains each 414 meter long, are running in opposite directions. If their speeds are 39 km/hr and 69 km/hr...

posted Mar 2, 2017 by anonymous

+1 vote

In the sequence of numbers 4,7,-7.., each even term is 3 more than the previous and odd term is -1 times the previous...

posted Mar 2, 2017 by Mayukh Bose

0 votes

A line segment of length 2 moves in the xy-plane such that it always touches both the coordinate axes?

posted Mar 1, 2017 by anonymous

0 votes

If difference between simple and compound interests (annual) for 4 years at 6.5% is Rs. 1191 then what is the sum?

posted Mar 1, 2017 by anonymous

0 votes

How many red fishes must be removed to make the percentage of red fishes 98%?

posted Feb 28, 2017 by Divya Bharti

0 votes

Present ages of A,B and C are in ratio 4:5:6. Eight years ago sum of their ages was 66. Sum of present age of A and C?

posted Feb 28, 2017 by anonymous

0 votes

A box contains 420 coins of one rupee, 50 paise and 25 paise. Values of each kind of coins are in the ratio of 8:4:3...

posted Feb 28, 2017 by Anil Meena

0 votes

How many integer solutions are there to the system of following equations: x^2+y-z = 42; x+y^2-z = 18

posted Feb 26, 2017 by anonymous

+1 vote

If home is represented by blue house and store is red, how many possible routes can we take to get from house to store?

posted Feb 26, 2017 by anonymous

0 votes

Can you solve the below algebraic picture puzzle?

posted Feb 24, 2017 by Atif

0 votes

Which number should replace the question mark?

posted Feb 23, 2017 by Anshika Utadi

+1 vote

How old are they if the difference between 3 brother's ages is also prime?

posted Feb 23, 2017 by Ranjith Havaldar

–1 vote

If; A x 4 = E; B / 4 = E; C + 4 = E; D – 4 = E; A + B + C + D = 100 Then; E = ?

posted Feb 23, 2017 by Deepak Chitragar