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 ?
Select:
A) Rs.19
B) Rs.18
C) Rs.16
D) Rs.5
E) Rs.3
Average price per book   = (1150 + 920) / (65 + 50) = 2070 / 115 = Rs.18   Answer:Rs.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 ?