A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

What is the word or phrase below?
R | E | A | D

Can you move 2 matchsticks to form four equal sized squares.

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

A bomb exploded in a room full of married couples and no one died. How?

Prove that twice of ten is the same as twice of eleven.

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?