Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Which alphabet is a part of our body?

What do you see in the given picture?

Can you identify the famous TV character from the rebus below?

Do You See It?

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?

Find the missing letter in the last circle logically in the given below picture.

They are three errirs in this question. Can you find them?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?