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

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

It was a dark stormy night and a couple were in a car driving madly to a city. The car broke down and the husband had to go get help from someone who spoke his language. He was afraid to leave his wife alone in the car so he locked the car before leaving. When he came back, the car was in the same state as he had left it but his wife was dead, there was blood on the floor and there was a stranger in the car. What happened?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

What is the coolest letter in the alphabet?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

What type of tree can I carry in my hand?

Forwards I am heavy, backward I am not. What am I?