Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

A B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

Why do Chinese men eat more rice than Japanese men do ?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Find the missing number in the image below.

Out of four images which one is the odd one out?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?