A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

What is the below Rebus indicate?

What is the difference between a jeweller and a jailer?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

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?