How can you tell a raw egg from a hard-boiled egg?

Find the next number in the sequence

5 12 24 36 ?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

In a picnic session, a footballer was practicing. During his play, he busted lips and ears and broke ribs and thighs. However, he was still able to play a professional match on the very next day.



How can this be possible?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

What is black when you buy it, red when you use it, and gray when you throw it away?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers.

But do you know how many of these numbers are prime?