Recent puzzles under tag mathematical

+1 vote

Below, you will find the mathematical proof that 10 equals 9.99999…. .............. Can you find the error?

posted Nov 19, 2014 by Anuradha Tabyal

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Measure exactly 2 liters of water?

posted Nov 18, 2014 by Puneet Batra

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What should be the value of the bottom row?

posted Nov 18, 2014 by Mishthy Mukherjee

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How many miles has she run?

posted Nov 17, 2014 by Aman

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How do you distribute the lemons?

posted Nov 17, 2014 by Nimish

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When I was 14 years old my father was 42 years old, which was three times my age. Now he is twice my age, how old am I?

posted Nov 16, 2014 by anonymous

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Two cards are drawn at random from a pack of 52 cards. What is the probability that the drawn cards are both aces?

posted Nov 14, 2014 by Anamika

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If Saurabh gives to Timnish Rs 12 they will both have ....................... Timnish. Who has what?

posted Nov 13, 2014 by Ritika

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What is the population of the town?

posted Nov 13, 2014 by Sandeep Otari

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Can you calculate the probability that the pair of socks was Yellow both the times?

posted Nov 13, 2014 by Varuna Magar

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Find all the missing numbers in the below conventional division problem

posted Nov 13, 2014 by Bhavish D A

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Given 27 table tennis balls, one is heavier than the others.........

posted Nov 12, 2014 by Puneet Batra

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If A and B are complementary angles such that A + 4B = 126 , what are the values of A & B.

posted Nov 12, 2014 by anonymous

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If the selling price of 12 article is equal to the cost price of 15 articles. What is the gain in percentage ?

posted Nov 12, 2014 by Ujjwal Mehra

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How many more balloons must Dravid give Rohan for them to have the same number?

posted Nov 12, 2014 by Puneet Batra

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The simple addition of three numbers of three digits each.

posted Nov 11, 2014 by Bhavish D A

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What is the helicopter’s average speed over the entire journey?

posted Nov 11, 2014 by Chahat Sharma

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From 981 sheets of paper to be recycled, how many sheets can possibly be made in total?

posted Nov 11, 2014 by Aastha Joshi

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Can you calculate the score for each of the five throws ?

posted Nov 11, 2014 by Samardeep Acharya

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This puzzle goes a step further from the previous one. You have eight bags, .......

posted Nov 10, 2014 by anonymous

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How many have each of the other three dishes?

posted Nov 10, 2014 by Pushpak Chauhan

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What is the next number in the series - 9 ; 7 ; 7 ; 9 ; 13 ; .....

posted Nov 10, 2014 by Anuradha Tabyal

+2 votes

I'm not sure how to figure out the answer?

posted Nov 10, 2014 by Vrije Mani Upadhyay

+2 votes

What is the actual distance between the two cities?

posted Nov 10, 2014 by Vrije Mani Upadhyay

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How many times can you subtract 6 from 36?

posted Nov 10, 2014 by Maninder Bath

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On average how much time did each of the last 40 people spend doing voluntary work?

posted Nov 10, 2014 by Divya Bharti

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What numbers should replace question marks ?

posted Nov 10, 2014 by Rahul Vaidya

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You have 10 bags with 1000 coins each. ...........

posted Nov 8, 2014 by Ujjwal Mehra

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Can you find a number that lies one third of the distance between 1/3 and 2/3?

posted Nov 8, 2014 by Samardeep Acharya

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Can you measure exactly 1 liter, by transferring the water only 2 times?

posted Nov 7, 2014 by Ujjwal Mehra

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How many total number of possible cases are there and which are those?

posted Nov 7, 2014 by Varun Kumar

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A snail crawls at a rate of 1/4 centimeters every 1/9 minutes. How long would it take to travel 8 centimeters?

posted Nov 7, 2014 by Varun Kumar

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How can you measure 6 liters of water ......

posted Nov 6, 2014 by anonymous

+3 votes

smallest positive number such that if you shuffle the digits then it becomes twice the original number.

posted Nov 6, 2014 by Kshitij Maloo

+2 votes

find out amount of aishwariya rai's cheque?

posted Nov 6, 2014 by Kshitij Maloo

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How much money the aristocrat spent?

posted Nov 6, 2014 by Kshitij Maloo

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How many ducks are there?

posted Nov 6, 2014 by Simranjeet Singh

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How much water can be filled in the bucket ?

posted Nov 6, 2014 by Nikita Sehgal

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What number should replace the question mark in this sequence- 1 ; 2 ; 6 ; 11 ; ? ; 86 ; 946

posted Nov 6, 2014 by Yogeshwar Thakur

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Given three bowls: 7, 4 and 3 liters capacity. Only the 7-liter is full. Pouring the water...

posted Nov 5, 2014 by anonymous

+2 votes

How can you make this true by adding a single line: .9 = 1.

posted Nov 5, 2014 by Udita

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The distance between station A and station B is 623 km...................... At what time train reach at station B ?

posted Nov 5, 2014 by Nimish

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If 5+3+2=151022 ; 9+2+4=183652 ; 8+6+3=482466 ; 5+4+5=202541 Then 9+5+5=_______?

posted Nov 4, 2014 by Deepak Chitragar

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How many days are required to do the same work with a working of 6 hours per day ?

posted Nov 4, 2014 by Balwinder

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What number must replace the question mark?

posted Nov 4, 2014 by Akriti

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How many of each coin is used and what are the denominations?

posted Nov 4, 2014 by Anamika

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Suppose you drive to a picnic spot at 20 mph, .................................your average speed becomes 40 mph ?

posted Nov 4, 2014 by Rajni

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Fill the space and complete the following equations?

posted Nov 3, 2014 by anonymous

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If 1 x 1 = 1 ; 2 x 2 = 4 ; 4 x 4 = 6 ; 5 x 5 = 5 ; 7 x 7 = 9 then 9 x 9 = ?

posted Nov 3, 2014 by Ritika

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What is the next number in the sequence- 32, 37, 47, 58, 71, ?

posted Nov 3, 2014 by Ankur Athari