What number when divided in half becomes zero?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

What you cannot hold but it is yours?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

What work can one never finish?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

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

What does this Rebus Picture mean?