Can you solve this picture maths equation?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

What does this rebus mean?

O
N
C
E
TIME

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

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

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Can you name some countries which do not have the alphabet 'A' in them?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

You can see it everyday, But cannot touch it at will. What is it?