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?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

What is full of holes but still holds water?

What does this rebus photo means?

Can you place six X (crosses) in below board without making three in a row in any way ?

What does an Island and the letter T have in common?

What number do you get when you multiply all of the numbers on a telephone's number pad?

What has to be broken before you can use it?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Why do we preferably have round manhole covers and not square ones?