It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

You need to remove two matchsticks to make the below equation true. Can you do it ?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

How can you make number one disappear by adding something to it?

Can you find a five letter word that is left with only two letters if one is removed?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?