If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Decode the movie name from the below picture?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

I have branches, but no fruit, trunk or leaves. What am I?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Can you find the thief by just looking at the picture below?

Which Travels Faster? Solve below famous picture riddle: