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

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

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

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Spot 5 differences in two Christmas tree below:

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

What can you catch but never throw?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!