Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

How can you tell a raw egg from a hard-boiled egg?

Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.

The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.

John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy

Tell me, Who is the king, who is the bureaucrat, and who is the Spy?

I have thought of a number that is made up by using all the ten digits just once. Here are a few clues for you to guess my number:

First digits is divisible by 1.
First two digits are divisible by 2.
First three digits are divisible by 3.
First four digits are divisible by 4.
First five digits are divisible by 5.
First six digits are divisible by 6.
First seven digits are divisible by 7.
First eight digits are divisible by 8.
First nine digits are divisible by 9.
The number is divisible by 10.

Can you find out the number ?

What part of Turkey has the most feathers?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

What is the fastest way to double your money?