John is the son of Jacob.
So,
Jacob is the_____of John's father?

What is the word or phrase below?
R | E | A | D

Can you count the number of triangles in the given figure?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

Why is Saturday stronger than Monday?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

There is something which is always coming but never arrives?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?