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

Forwards I am heavy, backward I am not. What am I?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What does this rebus means ?

PROG WORKRESS

Which flower has two lips?

What two things can you never eat for breakfast?

What breaks yet never falls, and what falls yet never breaks?

Can you name four days which start with the letter 'T'?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?