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

What came first, the chicken or the egg?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

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

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

our enemy challenges you to play Russian Roulette with a 6-cylinder pistol (meaning it has room for 6 bullets). He puts 2 bullets into the gun in consecutive slots, and leaves the next four slots blank. He spins the barrel and hands you the gun. You point the gun at yourself and pull the trigger. It doesn't go off. Your enemy tells you that you need to pull the trigger one more time, and that you can choose to either spin the barrel at random, or not, before pulling the trigger again. Spinning the barrel will position the barrel in a random position.

Assuming you'd like to live, should you spin the barrel or not before pulling the trigger again?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99