What English word has three consecutive double letters?

What is the fastest way to double your money?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Why Wine Glass Stem is so long?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

No matter how little or how much you use me, you change me every month. What am I?

What is the next number in the series?

15 29 56 108 208 ?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?