The more of this there is, the less you see. What is it?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

I taste better than I can smell. Who am I?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.