Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

Move four matchsticks to the below square to form three squares?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

They are three errirs in this question. Can you find them?

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.

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

You need to arrange three 7 and mathematical symbols to form number 1?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?