The maximum number of students among them 890 pens and 630 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 from the following answers:
A) 10
B) 910
C) 1001
D) 1911
E) none of these

Rationale: "explanation : required number of students = h . c . f of 890 and 630 = 10 . answer : a"
Answer: A