You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

What can go up a chimney down, but can’t go down a chimney up?

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

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?