Rahim bought 55 books for Rs.1500 from one shop and 60 books for Rs.340 from another. What is the average price he paid per book ?	Select the correct option:
A) s . 17  B) s . 18  C) s . 16  D) s . 11  E) s . 10

Rationale: "average price per book = ( 1500 + 340 ) / ( 55 + 60 ) = 1840 / 115 = rs . 16 answer : c"
Answer: C