If a wheel has 54 spokes, how many spaces are there between the spokes?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

I have Rs.50 and I spend it in the way as below.

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

What number should come in place of the question mark below?

Which part of London exists in France as well ?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

A blonde put eyeliner on her head. Why?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)