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?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Can you replace the question mark with the correct number?

What is the fastest way to double your money?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What can go through glass without breaking it?

I can be cracked, made, told, and played. What am I?