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

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

There is something which you can be arrested for attempting but not for successfully completing.

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

What is black when you buy it, red when you use it, and gray when you throw it away?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Decode the movie name from the below picture?

Can you count the number of quadrilaterals in the picture below?