10+10 and 11+11 can give you the same answer.

Explain how?

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

Can it be possible to build a house that has all its four walls facing towards the South?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

What Does this text mean:

important=important

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

There is something which you can be arrested for attempting but not for successfully completing.