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?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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?

Where do you go to learn how to make ice cream?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

What is the centre of gravity?

Can you find out the missing number in the grid?