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

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

Can you find out the number of the parking space in which the car is parked?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

In which direction should the missing arrow point?

When we see 2 but call 10?

Find the missing letter in the last circle logically in the given below picture.

How do you go from 98 to 720 using just one letter?

What Adam and Eve do not have but the rest of the people have?