Find the number of squares in the below picture

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?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

What is black when you buy it, red when you use it, and gray when you throw it away?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What Time Should the last watch show in the below figure?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

What's the best place to go shopping in the ocean?