What is the next number in this series?

4,12,84,3612....

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Which Travels Faster? Solve below famous picture riddle:

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