Recent puzzles under tag mathematical

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ABC is right angle triangle, where AB = 300 and BC = 400. What is the length of the blue link?

posted Sep 3, 2018 by anonymous

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What is the probability that the picked number is such a prime number whose sum of digits is an odd number?

posted Sep 3, 2018 by Aman

+1 vote

Decipher the clues and do the math?

posted Aug 31, 2018 by Atif

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The average of 7 consecutive numbers is 16. What is the largest number?

posted Aug 31, 2018 by Mohammad

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What is the difference between population standard deviation between second match and first match?

posted Aug 30, 2018 by Anshika Utadi

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What is the total distance that the supersonic bird has traveled till the trains collided?

posted Aug 30, 2018 by Basabdatta Mukherjee

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How many factors of ********** are even numbers?

posted Aug 29, 2018 by Anamika

+1 vote

370 cusec water output in one dam, how much if water output if water travels 10 km with 7 meter width in 10 minutes?

posted Aug 29, 2018 by Pandian Anu

–1 vote

Parallelogram with sides as 7 and 9, and Integer diagonals. Find sum of all possible products of lengths of diagonals?

posted Aug 28, 2018 by anonymous

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What is the distance of the destination from the starting place in kms?

posted Aug 28, 2018 by Prithvi

+1 vote

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know.........

posted Aug 28, 2018 by Varun Kumar

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At what simple interest rate percent per annum will a sum of money double in 14 years?

posted Aug 27, 2018 by Ankur Athari

+1 vote

How do I write x times 7 is greater than or equal to 17 in algebraic expression?

posted Aug 26, 2018 by anonymous

+1 vote

Find the area of the largest rectangle that will fit inside the region bounded by y = - x^2 +1 and y = x^2 ?

posted Aug 25, 2018 by anonymous

+3 votes

A father said to his son, " I was as old as you are at the present at the time of your birth ". If the father's........

posted Aug 24, 2018 by Pankaj Deshmukh

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How many days will 27 men and 18 women take to do it?

posted Aug 23, 2018 by Puneet Batra

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During a recent flu epidemic, two-fifths minus 51 of the pupils at a..................How many pupils attend the school?

posted Aug 23, 2018 by Madhavi Latha

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How much money did he carry from home?

posted Aug 22, 2018 by Saif Khanam

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What is the difference between the quantities of sugar sold at 4% profit and that sold at 3% loss?

posted Aug 21, 2018 by Karan Joglekar

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What is the seventh term of the following series: 4, 7, 12, 19, 28, ............

posted Aug 20, 2018 by Simranjeet Singh

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How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the..........

posted Aug 17, 2018 by Dilbagh

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Next three consecutive positive integers (after 1,2,3) where sum of individual cubes is equal to a perfect square?

posted Aug 16, 2018 by anonymous

+1 vote

Can you find out the weights of the seven weights? Also what is the maximum age of the man that can be..................

posted Aug 16, 2018 by Nimish

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If Rohan and Tavish finished at the same time, how long did Soham take?

posted Aug 16, 2018 by Atif

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A 12X16X24 cuboid is filled up with 4608 cubes of side 1. An ant passes in a straight line, connecting two opposite..

posted Aug 15, 2018 by anonymous

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Which of the following figures has the greatest area shaded in grey?

posted Aug 12, 2018 by anonymous

+1 vote

Two telephone poles 30m high, 80m apart and connected by a 100m long cable. Distance of lowest point of cable to ground?

posted Aug 12, 2018 by anonymous

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What is the % of the area of the blue region as compare to the whole?

posted Aug 10, 2018 by anonymous

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If 2+3=8, 3+7=27, 4+5=32, 5+8=60, 6+7=72 then 7+8=??

posted Aug 10, 2018 by Vikram Luthra

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What is the rate of compound interest (compounded annually) when a sum of rupees 2018 amounts to 4356.711 in 10 years?

posted Aug 10, 2018 by Harshita Dhaliwal

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What is population standard deviation of their marks?

posted Aug 9, 2018 by Ankur Athari

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A and B walk around a circular park. They start at 8 a.m. from the same point in the opposite directions...

posted Aug 8, 2018 by anonymous

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A man makes a 10% discount from the marked price of 770 of a toy and still makes a 10% gain. What is cost price of toy?

posted Aug 8, 2018 by anonymous

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2 dices are rolled. What is the probability of getting the total score as a prime number?

posted Aug 8, 2018 by Nikhil Pandey

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How many such stamping machines are needed to keep up with 18 inserting machines of this kind?

posted Aug 8, 2018 by Pankaj Deshmukh

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At what simple interest rate percent per annum will a sum of money triple in 11 years?

posted Aug 7, 2018 by Puneet Batra

–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

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Population of a small city is 926100. If it increases at the rate of 5% per annum. What was the population 2 years ago?

posted Aug 6, 2018 by anonymous

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If x, y, z are natural numbers, then how many number of different solutions of the equation x+y+z=6 are possible?

posted Aug 6, 2018 by anonymous

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Find the value of each and then find the value of the missing number.

posted Aug 6, 2018 by Chahat Sharma

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How long did it take them to dig a hole?

posted Aug 6, 2018 by Tapesh Kulkarni

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How many ways me and 9 friends can sat around a circular table so that my best friend Durgesh always sat in front of me?

posted Aug 5, 2018 by anonymous

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How many ways letters of word ‘CHEKOSLOVAKIA’ can be arranged so that “SL” always comes together and ‘H’ and ‘I’ at end?

posted Aug 5, 2018 by anonymous

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All possible four-digit numbers, with distinct digits using digits {1, 3, 4, 5, 6}. How many of them are divisible by 2?

posted Aug 3, 2018 by anonymous

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Among arrangements made using all letters of the word “EXAMINATION”, in how many arrangements A will come together?

posted Aug 3, 2018 by anonymous

+1 vote

In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?

posted Aug 3, 2018 by anonymous

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In how many different ways 4 children can be selected from 6 boys and 4 girls such that at least one boy is there?

posted Aug 3, 2018 by anonymous

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A vendor bought 450 toffees for 3150 rupees. How many toffees in 2821 rupees must he sell to gain 30%?

posted Aug 3, 2018 by Samardeep Acharya

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What would be compound interest (compounded annually) on a sum of rupees 2018 at the rate of 8% for a period of 2 years?

posted Aug 2, 2018 by Nikita Sehgal

+2 votes

How many complete turns has it made?

posted Aug 2, 2018 by Anuradha Tabyal