When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

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

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

They are three errirs in this question. Can you find them?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

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.

Buy me, smell me or deliver me, I do not change.

Who am I?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?