Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

Count the number of lines in the image below ?

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

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

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?

What does an Island and the letter T have in common?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

How many Watermelons are there in the below picture?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?