Which is faster, Heat or Cold ? Explain.

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

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

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

If a wheel has 54 spokes, how many spaces are there between the spokes?

What does Alexander the Great and Winnie the Pooh have in common?