What does the below rebus riddle means?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

Can you name four days which start with the letter 'T'?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?