Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

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?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

Replace the question mark with the number below given a simple math problem.

Do you see only foxes? It’s time for you to unlock the superpowers to find the baby squirrel hidden in the picture.

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

What does the below mathematical rebus mean?

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?