If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Which Travels Faster? Solve below famous picture riddle:

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

Shyla was sleeping in her apartment when suddenly a robber broke into her house. He asked her to stay quiet and started looting the cash and jewelry. Suddenly the landline phone started ringing. The robber pointed a gun at Shyla and asked her to pick up and talk without giving away the situation.

She picked up the phone and it happened to be her husband. She spoke, Is it an emergency darling? Do give me a call when your flight lands, I will prepare your favorite food that will help you relieve the stress. Then she hanged up.

10 minutes after, the police arrive at the scene and catch the robber. How did the police know about the robbery?

Decode this picture on T-Shirt and tell what it says ?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.