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

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 ?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

What is the coolest letter in the alphabet?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Who is that with a neck and no head, two arms and no hands? What is it?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.