Solution:

It's simple puzzle
Distance = speed * time
= 2meter/seconds * 2 * 50 * 60
= 14400 meteres
= 14.4 kms

My thoughts -
This puzzle reminds us of life when we are stuck at a difficult situation and stop losing hope but if try hard it can be actually a simple problem.

Solution:

It can be solve as shown below.

Solution:

I was born in Hospital whose room number is 1950.

Solution:

Warm

Explanation:
Step 1 - Ward
Step 2 - Word
Step 3 - Cord
Step 4 - Cold

Solution:

Sansa has the siamese (conjoined) twin sister.

Solution:

Option A) :Yes

Explanation:
If Rachel is married, Joey who is unmarried is looking ar Rachel who is married.
If Rachel is unmarried, then Ross who is married is looking at Rachel who is unmarried.

Solution:

Yes, by chatting,Texting or using hands(fingers signs)

Solution:

Simple, You must shoot the Tiger and drive off in the jaguar(car).

Solution:

The answer is very interesting funny but true.
More than 90% of the population is right-handed Since most men's are right handed and they always prefer to dress by own, Therefore if buttons are on the right side they can fasten the button easily.
There is very interesting fact why ladies button on the left-hand side.
When shirts with the button were introduced, it can be afforded only by wealthy men's. These wealth men's wife mostly have maids to dress them up. They dress them by facing the wives and hence its easier for maids to dress the wives if buttons are on the left.

Solution:

Can be done smartly as shown below.