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?

Question: 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?
[A].

Rs. 18.20

[B].

Rs. 70

[C].

Rs. 72

[D].

Rs. 88.25

Answer: Option C

Explanation:

C.P. = Rs.		100	x 392		= Rs.		1000	x 392		= Rs. 320
		122.5					1225

Profit = Rs. (392 – 320) = Rs. 72.

Video Explanation: https://youtu.be/a36nJFgh5yk