What does this mathematical rebus means ?

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

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Who has married many women but was never married?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

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?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Eight Chelsea player makes the following statements :

1. Seven of us are lying here.
2. Six of us are lying here.
3. Five of us are lying here.
4. Five of us are lying here.
5. Four of us are lying here.
6. Three of us are lying here.
7. My name is Torres.
8. My name is Lampard.

The last two are Lampard and Torres or maybe Torres and Lampard.
So can you deduce which of the last two is Lampard or Torres?