Solution:
Given, Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen.He sold each one at the rate of Rs. 33.
The cost of one toy = Rs.
= Rs. 31.25 The selling price of 1 toy = Rs. 33 So,
Gain = Rs. (33-31.25)
=Rs.1.75 ∴ Profit%
= %
= 5.6% So, profit gain is 5.6%.
Hence, option 3 is correct.