Find out the missing number in the picture attached:

O_er_t_o_

Complete the missing letters of the given word.

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Replace the question mark with the number below given a simple math problem.

Find the 8 in the below-given Image.

Two old friends, Jack and Jill, meet after a long time, and discussing as:

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?

I am quite hot but become too cold if you remove the first two letters. What am I?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

I can write cow in 13 letters.

Can You?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?