What does this rebus mean?

O
N
C
E
TIME

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Give it food and it will live; give it water and it will die.

Can you name some countries which do not have the alphabet 'A' in them?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?