2, 3, 5, 9, 17, _ What is the next number in the sequence?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

Why is the Hole below a Lock?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

What kind of band never plays music?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

The Little ant seems to be always confused. Do you know why?

Find the next number in the sequence

5 12 24 36 ?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Rectify the following equality 101 - 102 = 1 by moving just one digit.