Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What kind of storm is always in a rush?

What makes this number unique: 8,549,176,320?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

What does this rebus puzzle means ?

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:

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.