A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?  Options: A) Rs. 64 B) Rs. 69 C) Rs.72 D) Rs.75 E) Rs.90
C.P. = Rs. (100/122.5)x392   = Rs. (1000/1225)x392   = Rs. 320   Profit = Rs. (392 - 320) = Rs. 72.   Answer:Rs.72
<result>C</result>
A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?