You see me once in June, twice in November, and not at all in May. What am I?

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

Imagine you are in a room with no windows or doors. How will you get out?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

What do you get if you add 2 to 100 four times?

What has many keys but can’t open a single lock?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?