Rearrange the letters in "new door" to make one word.

Where do fish keep their money?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What is next number in the pattern below:

131 517 192 123 ?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?