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?

Solve the counting riddle by identifying the number of triangles in the given picture.

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Can you count the number of triangles inside a triangle?

Can you write down eight eights so that they add up to one thousand?

Find the next number in the sequence

5 12 24 36 ?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?