Question 72
A shopkeeper bought 30 kg of rice at the rate of Rs. 70 per kg and 20 kg of rice at the rate of Rs. 70.75 per kg. If he mixed the two brands of rice and sold the mixture at Rs. 80.50 per kg, his gain is
Solution
The shopkeeper bought 30 kg rice at Rs. 70/kg
C.P. = 70*30 = Rs. 2100
Similarly, C.P. for second type of rice = 70.75*20 = Rs. 1415
=> Total C.P. = 2100+1415 = Rs. 3515
He sold these two brands at Rs. 80.50/kg
=> Total S.P. = 80.50*50 = Rs. 4025
Profit = 4025-3515 = Rs. 510
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