I have teeth but i don't bite. Who Am I ?

What do you answer even though it never asks you questions?

Can you make a six-letter word using the letters N, A and B ?

The answer I give is yes, but what I mean is no. What was the question?

Can you count the number of quadrilaterals in the picture below?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

In the picture given below, can you find out which digit will take place of the question mark?

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?