When can we add 2 to 11 and get 1 as the correct answer?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

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

Explain how?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

What word is pronounced the same if you take away four of its five letters?

Which is the correct shadow of the bird?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

What is the Surname of Barbie Doll?