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

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Which letter of the alphabet has the most water?

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

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

What always comes into a house through the keyhole?

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

Which tank will fill first?

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 ?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?