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

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Why is the Hole below a Lock?

You need to arrange three 7 and mathematical symbols to form number 1?

What does a man do only once in his lifetime, but women do once a year after they are 29?

What goes up but never comes down?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

What runs around the whole yard without moving?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?