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

If six children and two dogs were under an umbrella, how come none of them got wet?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

What's the best place to go shopping in the ocean?

What have one eye but still cannot see?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

Be active and find the killer in the picture Riddle below.