Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

You can see three almost identical images below. Can you spot the odd one out from them?

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?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

What is the fastest way to double your money?

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?

Solve this riddle by finding the odd one out from the rest.

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?