On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

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

A blonde put eyeliner on her head. Why?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

What is the centre of gravity?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What does the below mathematical rebus mean?

What is both possible and impossible at the same time?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

Move three sticks of the spiral below to form a square.