Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

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?

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?

Why did Buffon take the goal with him after every Juventus match?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

I always drive my customer away.

Who am I?

Replace the question mark in the picture below.

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?