You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

You can hear me, but you can't touch or see me.

What am I?

81 x 9 = 801. What must you do to make the this equation true?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

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

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

Remove two matchsticks to make the below equation correct.

I can write cow in 13 letters.

Can You?