The maximum number of student amoung them 1080 pens and 920 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is :  Choose the correct choice.
A) 91 B) 40 C) 80 D) 90 E) none of these

Rationale: "solution required number of student = h . c . f of 1080 and 920 = 40 . answer b"
Answer: B