Replace the question mark with the correct number in below Picture:

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

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?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

You bought me for dinner but never eat me. What am I?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

What is wrong in the below Picture?