What is the next number in this matchsticks series riddle?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

That attorney is my brother, testified the accountant.

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

Who is lying?

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

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?

'Ferrari driver' easily beats the 'force driver' in a two-car race. How did Indian newspapers truthfully report so to look as a 'force drive' had outdone the 'Ferrari driver'? Think!!!

Why is it very easy to weigh a fish?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?