Solution:

Initially, there are only two apples on the tree. I got one apple using the slingshot and therefore now one apple is on a tree and one with me.

Note: We got one apple(not apples).

Solution:

Mitch and Irene are the names of hurricane occurred in 2011 and 1998 respectively.

Solution:

They are not playing against each other.

Solution:

No layer will go on 'the fifth layer' because the fifth layer is the last layer.

Solution:

6 members.
Let's say 'C' is for crew and 'M' is Michael.

So their formation at that time is like:

C
C
C
M - 4th from back and front.
C
C
C

Solution:

Albumen is white of an egg (many of you have must have guessed yolk, which is yellow).

Solution:

It's a clever trick teaser.
We should note that Christmas occurs after 51 weeks and 2 days as in a calendar year new year comes before Christmas.

Solution:

The timer of a microwave.

The timer of a microwave generally consists of 4 digits. First two digit for minutes and next two for seconds.
So,
99 indicates - 1 minute 39 seconds
100 indicates - 1 minutes (1:00)

Solution:

The fastest or even the slowest rabbit can only run till the mid point into the given garden. After the mid point, it will actually be running out of the given garden.

Solution:

It is possible. You have to build a house at south pole and then, all the walls will face the north direction.