There was an aeroplane crash, every single person died, but two people survived. How is this possible?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Can you move 2 matchsticks to form four equal sized squares.

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

What is red and smells like blue paint?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

I look at you, you look at me I raise my right, you raise your left. What am I?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?