How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Replace the question mark with the correct number below.

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

What do you get if you add 2 to 100 four times?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Find the next number in the following series:
6, 14, 26, 98, __?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?