Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

No matter how little or how much you use me, you change me every month. What am I?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Why is the Hole below a Lock?

What does below chemistry rebus means?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Can you quickly find which two matchstick figures are identical?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?