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

What is the largest number you can write with just 3 digits?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

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