In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

What is more useful when it is broken?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

A man dies of old age on his 25 birthday. How is this possible?

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

What is so fragile that saying its name breaks it?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?