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

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

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

What can jump higher than a building?

Who always enjoys poor health?

A large water tank has two inlet pipes (a large one and a small one) and one outlet pipe. It takes 3 hours to fill the tank with the large inlet pipe. On the other hand, it takes 6 hours to fill the tank with the small inlet pipe. The outlet pipe allows the full tank to be emptied in 9 hours.

What fraction of the tank (initially empty) will be filled in 0.64 hours if all three pipes are in operation? Give your answer to two decimal places (e.g., 0.25, 0.5, or 0.75).

Why is Saturday stronger than Monday?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

I am sure no one can have two things for dinner. what are they?