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A shopkeeper bought 15kg of rice at the rate of $ 29 per kg and 25kg of rice at the rate of $ 20 per kg. He sold the mixture of both types of rice at the rate of $ 27 per kg. His profit in this transaction is
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- $ 125
- $ 150
- $ 140
- $ 145
Correct Option: D
Given that , C.P. of 40kg of mixture = $ (15 × 29 + 25 × 20)
C.P. of 40kg of mixture = $ (435 + 500) = $ 935
S.P. of 40kg of mixture = 27 × 40 = $ 1080
∴ Gain = S.P. of 40kg of mixture - C.P. of 40kg of mixture = 1080 – 935 = $ 145
