Solution:

39.

Solution:

We now have a square of 3x3 size, 2 squares of 2x2 size and 5 squares of 1x1 size.

Solution:

zero

I had 3 green socks and 1 Pink sock.

=> chances of pair of green socks = 1/2
chances of pair of mixed socks = 1/2
chances of pair of green socks = NULL

Solution:

It can be down as shown below.

Solution:

8/(1−1/5)

Solution:

A
D
C
A
B

Solution:

It can be done as shown in the picture below.

Solution:

The attached picture gives away the solution. If you can find another solution, do send us yours.

Solution:

She is near the trunk of the tree as shown below.

Solution:

I am word "Introvert"

Solution:

You must put labels on the tablets as A and B before using. In that case, if you pour tablets together, you will get 3A, 2A 1B, 1A 2B or 3B. If they are from the same bottles you can take one from another bottle and save the remaining two for another day. If you get two from same and one from other, you can draw one from another bottle and you will have two pairs of which you can eat one and save the other.