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?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

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

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Why is 6 afraid of 7?

There is a place where if I stand up straight, I will still be considered sideways.

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?