You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

What number divided by 4 is the same as that number minus 4?

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

Which alphabet letter is a question?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

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 count the number of seconds in a year?

Clue: You need to bother about calculation.

What does it mean?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?