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

Count the number of triangles in the below picture?

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?

My location can be determined by the below rebus.
So where am i ?

What is black when you buy it, red when you use it, and gray when you throw it away?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

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

Two old friends, Jack and Bill, meet after a long time.

Three kids
Jack: Hey, how are you, man?
Bill: Not bad, got married and I have three kids now.
Jack: That's awesome. How old are they?
Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Jack: Cool..But I still don't know.
Bill: My eldest kid just started taking piano lessons.
Jack: Oh, now I get it.

How old are Bill's kids?

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?

O_er_t_o_

Complete the missing letters of the given word.