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

I’m tall when I’m young, and I’m short when I’m old. What am I?

I can be cracked, made, told, and played. What am I?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?