Rahim bought 65 books for Rs.1150 from one shop and 50 books for Rs.920 from another. What is the average price he paid per book ?  Choices.
A) 11	B) 18	C) 99	D) 787	E) 12
Average price per book = (1150 + 920) / (65 + 50)   = 2070 / 115   = Rs.18   Answer:18
<result>B</result>
Rahim bought 65 books for Rs.1150 from one shop and 50 books for Rs.920 from another. What is the average price he paid per book ?