If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What is the longest word in the dictionary?

Solve the puzzle by telling what does below picture means.

Find the next number in the sequence

1, 2, 6, 21, 88, __?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

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?

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

How do you go from 98 to 720 using just one letter?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

I can write cow in 13 letters.

Can You?