Correct option is A
Given:
Mr. Saxena bought pens at Rs. 150 per dozen. 1 pen = = 12.5 Rs.
He sold each pen for Rs. 15.
Formula used:
Profit percentage = 100
Solution:
Profit = S.P.− C.P. = 15 − 12.5 = Rs. 2.5
Profit% = = 20%
Hence, Mr. Saxena made a profit of 20%.