Brain teaser one more iq test


(Guest)

HI………….. Solve this !!!!!!!!!!

A question, the one who solve the problem will write the name in the attached file.

2 3 4 15 12
3 4 5 28 20
4 5 6 45 30
5 6 7 66 42
6 7 8 ? 56

The answer is the password to open the file attached. 

Save it in your folder. Pls do not write the answer here,give a chance toother to solve this puzzle.

Thanks