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

what's the probability of getting a king or a queen from a pack of 52 cards?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Find the next number in the series below

21 32 54 87 131 ?

My sock drawer has 26 blue socks, 13 pink socks, 33 green socks, and 12 red socks, how many socks would I have to pull out in the dark to be sure I had a matching pair?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

I have branches, but no fruit, trunk or leaves. What am I?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?