Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

What do you call a fish without an eye?

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?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?