What does this below rebus puzzle mean?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Find the last number in the series below:

voN luJ yaM raM ---

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?