Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

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

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

why number 8549176320 is one of a kind?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

A man dies of old age on his 25 birthday. How is this possible?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

What is wrong in the below Picture?