How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Replace the question mark in the picture below.

How many times can you subtract the number 5 from 25?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

I add 5 to 9 and get 2. The answer is correct, so what am I?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

How can one talk without saying a single word?

Who can jump higher than a Mountain?

What number comes next in the series?

5 15 5 18 5 24 14 20 _