It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

I look at you, you look at me I raise my right, you raise your left. What am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

I have eight fingers and two thumbs but I do not live. What Am I?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Count the squares in the matchstick puzzle below?

What is both possible and impossible at the same time?

What number comes next in the series?

5 15 5 18 5 24 14 20 _