There was a strange boy who was born before his father. How can this be possible?

What does below chemistry rebus means?

Can you solve below mathematical equation?

2^1234 - 2^1233

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

I have teeth but i don't bite. Who Am I ?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

I add 5 to 9 and get 2. The answer is correct, so what am I?

What is the below Rebus indicate?