Iq test

A Puzzle to test your IQ

Dear  Professional Friends,

Only genius people can open this file..........once you succeed to open this file, you will find names of the people who have managed to opent this....all the best....

How to open attached file???  

There is a bus with 7 girls.

Each girl has 7 bags.

In each bag, there are 7 big cats

Each big cat has 7 little cats.

Each cat has 4 legs.

Question: How many legs are present in bus???????  

Number of legs is password to open attached file.  

If you will open the file, write your name on the list inside, and send this email to your friends to let them solve this riddle

And plz dont put password here in this thread      

Thanks

Ratan