John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

What has a ring but no finger?

What two things can you never eat for breakfast?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

Give it food and it will live; give it water and it will die.