6. Hari bought 20 kg of rice at *36 per kg and 25 kg of rice at 32 per kg. He mixed the two
varieties and sold the mixture at * 38 per kg. Find his gain per cent in the whole
transaction.
varieties and sold the mixture at * 38 per kg. Find his gain per cent in the whole
transaction.
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Answer:
12.5%
Step-by-step explanation:
Solution :-
Cost of 1 kg rice = Rs. 36 per kg
Cost of 20 kg rice = 36*20 = Rs. 720
Cost of 1 kg rice = Rs. 32 per kg
Cost of 25 kg rice = 32*25 = Rs. 800
Total quantity of rice = 20 + 25 = 45 kg
Cost of 45 kg rice = 720 + 800 = Rs. 1520
Selling price of the new mixture = Rs. 38 per kg
selling price of 45 kg rice = 38*45 = Rs. 1710
Gain = 1710 - 1520 = Rs. 190
Gain = Rs. 190
Gain % = (Gain*100)/cost price
⇒ (190*100)/1520
⇒ 19000/1520
= 12.5 %
So, on whole transaction, Hari got profit of 12.5 %
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