If 0.5% of A =85 paise, then the value of A is ?  Choose the correct choice from the following answers
A) rs . 170
B) rs . 17
C) rs . 1.70
D) rs . 4.25
E) none

Rationale: "answer ∵ 0.5 / 100 of a = 85 / 100 ∴ a = rs . ( 85 / 0.5 ) = rs . 170 correct option : a"
Answer: A