Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What came first, the chicken or the egg?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Solve the rebus riddle in the picture below.

Count the number of balls in picture below:

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.