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?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

I can be cracked, made, told, and played. What am I?

Find the next number in the series below

21 32 54 87 131 ?