Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

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?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Which number comes next in the number series?

2, 9, 30, 93, ?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

There are forty elephants and they have forty-fore heads. How can this be possible?

What does an Island and the letter T have in common?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

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?