If two's company, and three's a crowd, then whats four and five ?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

Complete the table series riddle by finding the number that can replace "??".

I can write cow in 13 letters.

Can You?

What does this rebus means ?

PROG WORKRESS

Why do Chinese men eat more rice than Japanese men do ?

What happened when the wheel was invented?

What is more useful when it is broken?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700