Why do people go to bed?

What number do you get when you multiply all of the numbers on a telephone's number pad?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

What am I?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

John was drowned by he was not wet. How?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

A father's child, a mother's child, yet no one's son.

Who am I?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?