Most answered puzzles under tag mathematical

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A prime number less than 50 is randomly picked, what is the probability that one of its digit will be 1?

posted Dec 11, 2018 by Dilbagh

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If a letter is randomly taken from the word OCTOPUS, what is the probability that it would be a vowel?

posted Dec 6, 2018 by Prithvi

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What are the highest and lowest numbers you can possibly score? 7 ? 4 ? 9 ? 3 ? 8 =

posted Nov 27, 2018 by Dilbagh

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A certain number is divided by five, seven is added and the result is quadrupled to...........What was the first number?

posted Nov 22, 2018 by Rajni

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786 bananas are bought for Rs 2751, sold at the rate of Rs 35 per half dozen.What is the percentage of profit or loss?

posted Nov 16, 2018 by Amarvansh

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What is the next term in the series - 101, 97, 91, 83, 73, 61, 47, ?

posted Nov 12, 2018 by Rahul Vaidya

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Difference between squares of two numbers is 8. Twice the square of first number by square of second number is 19...

posted Nov 6, 2018 by anonymous

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At what simple interest rate percent per annum will a sum of money triple in 21 years?

posted Nov 5, 2018 by Anamika

+1 vote

Compute the sum over all integers n for which (n^3 + 8) / (n^2 - 4) is an integer?

posted Nov 3, 2018 by anonymous

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A shopkeeper marks up his goods by 35% and gives a discount of 20%. Apart from........What is his net profit percentage?

posted Oct 30, 2018 by Ujjwal Mehra

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Can you calculate the time that will be taken by 6 large pipes and 6 small pipes together to drain the reservoir?

posted Oct 17, 2018 by Naveen Kumar

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You have 10 positive integers that each have d digits. What is minimum number of digits the sum will have in terms of d?

posted Oct 16, 2018 by anonymous

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If the father's age is 46 years now, what was the son's age twenty one years back?

posted Oct 12, 2018 by Aman

+1 vote

Can you find out the amount of time left if the total time was 90 minutes?

posted Oct 5, 2018 by Varuna Magar

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What number should replace the question mark?

posted Oct 3, 2018 by Madhavi Latha

+1 vote

A shopkeeper sells his goods at cost price but uses a weight of 890 gm instead of.........What is his profit percentage?

posted Oct 1, 2018 by Aastha Joshi

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Distance between two stations is 400km. Two trains start simultaneously from these stations...

posted Sep 30, 2018 by anonymous

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How long will it take for a sum of money to grow from Rs.1250 to Rs.12,000, if it is invested at 9% p.a simple interest?

posted Sep 21, 2018 by anonymous

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What is the greatest number of pieces you can buy for exactly Rs 50/-?

posted Sep 17, 2018 by Harshita Dhaliwal

+1 vote

1080 bananas are bought for Rs 2520 and sold at the rate of Rs 35 per dozen. What is the percentage of loss or profit?

posted Jul 10, 2018 by Prithvi

+2 votes

How much distance did Shaktiman run to catch the criminal?

posted Jun 27, 2018 by Anil Chaurasiya

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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....

posted Jun 4, 2018 by anonymous

+1 vote

What is the maximum volume of a cone inscribed in a sphere of radius 6?

posted May 10, 2018 by anonymous

+1 vote

6 men & 8 women can do a work in 10 days, 4 men & 7 women can do it in 12 days, how many days will 4 men and 12 women...

posted May 2, 2018 by anonymous

+2 votes

Complete the equations by seeing the given graphs?

posted Apr 3, 2018 by anonymous

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Solve the following equation; 5! – 4! – 4! / 4 = ??

posted Mar 8, 2018 by Kapil Kapoor

+2 votes

How many years did Diophantus live?

posted Mar 6, 2018 by Varuna Magar

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How many gold coins do you have left for the rest of your journey ?

posted Feb 16, 2018 by Sandeep Bedi

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Given that length of longest diagonal of a cube is 9 cm. Find the volume of the cube?

posted Feb 15, 2018 by anonymous

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Three dice are rolled and the scores are multiplied together. The product is 90. What were the scores on the three dice?

posted Jan 25, 2018 by anonymous

+1 vote

Find the number of positive integral solutions for a,b,c such that a.b.c = 45?

posted Jan 11, 2018 by anonymous

+1 vote

Length, breadth and height of a room are in the ratio 9:7:5. If breadth and length are doubled while height is halved...

posted Jan 11, 2018 by anonymous

+1 vote

Solve the below equation by replacing each letter by different digit.

posted Jan 11, 2018 by Harshita Dhaliwal

+2 votes

Can you solve this tricky maths equation problem by replacing ? mark with correct number?

posted Jan 9, 2018 by Ujjwal Mehra

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A number can be multiplied by multiple of nine i.e 9 18 27 36 45 ....and the resulting number consist of only one digit.

posted Jan 5, 2018 by Tapesh Kulkarni

+1 vote

Mark is throwing his son Stewart a surprise birthday party but he.........is out of money, how much did Mark start with?

posted Jan 3, 2018 by Simranjeet Singh

+1 vote

How long Michael Phelps can cover distance of one side at a still lake (no current).

posted Jan 2, 2018 by Yogeshwar Thakur

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If a^2−b^2=2640 and a^2+b^2=6338 then what is the value of 23ab?

posted Jan 2, 2018 by anonymous

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Three numbers add up to 14. Multiplied together they come to 84. Find the numbers?

posted Dec 28, 2017 by anonymous

+2 votes

What was their average speed over the entire journey?

posted Dec 12, 2017 by Chahat Sharma

+1 vote

What 4-digit number abcd satisfies this equation? 4 x abcd = dcba

posted Dec 11, 2017 by Samardeep Acharya

+1 vote

If largest circle has radius 225 and medium circle has radius 100 in the image, what is the radius of smallest circle?

posted Dec 7, 2017 by anonymous

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Find the last two non zero digits in 2017!

posted Dec 7, 2017 by anonymous

+1 vote

How many coins do Aanya, Laila and Jignesh have altoghther?

posted Dec 6, 2017 by Swati Arora

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Find the logic behind the numbers and then find the value of the missing number.

posted Nov 16, 2017 by Deepak Chitragar

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Complete the pattern below, to find the value of P and Q.

posted Nov 14, 2017 by Ritika

+3 votes

Can you tell me how many number of 20-paisa and 25-paisa he got?

posted Nov 8, 2017 by Karan Joglekar

–1 vote

1,3,1=69. 2,1,3=187. 3,2,4=276. 4,3,7=363. 5,1,9=?

posted Nov 2, 2017 by anonymous

+1 vote

What number should replace the question mark?

posted Oct 27, 2017 by Amarvansh

+1 vote

I went to the furniture shop in order to buy a picture. The salesman told me..........What was the price of the picture?

posted Oct 24, 2017 by Pushpak Chauhan