What seven-letter word has hundreds of letters in it?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

I always drive my customer away.

Who am I?

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

What can you see in the middle of March and April that you can never see in any other month?

If 21x = 79x, what is the value of x?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?