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

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Why is Saturday stronger than Monday?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

'Ferrari driver' easily beats the 'force driver' in a two-car race. How did Indian newspapers truthfully report so to look as a 'force drive' had outdone the 'Ferrari driver'? Think!!!

A bomb exploded in a room full of married couples and no one died. How?