There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

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?

How is the moon similar to a dollar?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

Can you solve below mathematical equation?

2^1234 - 2^1233

What is the centre of gravity?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?