A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

What number should come in place of the question mark below?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

What does below chemistry rebus means?

O_er_t_o_

Complete the missing letters of the given word.

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

What is always in front of you but can’t be seen?