There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

What makes this number unique: 8,549,176,320?

Out of four images which one is the odd one out?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Which is faster, Heat or Cold ? Explain.

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?