The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 12%?

– by
The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 12%?

A. 37.5%
B. 48%
C. 50.5%
D. 52%
Explanation:
Let marked price = Rs. 100.
Then, C.P. = RS. 64, S.P. = Rs. 88
Gain % = 24/64 * 100 = 37.5%.