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

What is the below Rebus indicate?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

Why do Chinese men eat more rice than Japanese men do ?

Why is the Hole below a Lock?

By using 'because' continuously three times, can you make an English statement ?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Which alphabet is a part of our body?