What does this below rebus puzzle mean?

Can you guess the name of the month by looking the below rebus ?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

You bought me for dinner but never eat me. What am I?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I