If 0.5% of A =80 paise, then the value of A is ? Choose the correct choice from the following choices:
A) rs . 170	B) rs . 160	C) rs . 1.70	D) rs . 4.25	E) none

Rationale: "answer ∵ 0.5 / 100 of a = 80 / 100 ∴ a = rs . ( 80 / 0.5 ) = rs . 160 correct option : b"
Answer: B