How many times do a clock's hands overlap in a day ?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?