Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

What is full of holes but still holds water?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

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

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

Count the Triangle in the figure given below:

What is the word or phrase below?
R | E | A | D