A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

What always comes into a house through the keyhole?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

Before Mount Everest was discovered, what was the highest mountain in the world?

Identify The phrase in the picture.

How can a man go eight days without sleep?

Can you find out the missing number in the grid?

What do you think with the below Picture ?

2, 3, 5, 9, 17, _ What is the next number in the sequence?