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QA – Placement Quizzes | Mixtures and Alligation | Question 4

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Rice of rate Rs. 126 per kg and Rs. 135 per kg and 3rd variety in the ratio 1 : 1 : 2. If the final mixture is worth Rs. 153 per kg, what is the rate of the third variety per kg? (A) 165.4 (B) 170 (C) 169 (D) 175.5

Answer: (D)

Explanation: Rice worth Rs. 126 per kg and Rs. 135 per kg are mixed in the ratio 1 : 1 So their average price =(126+135)/2=130.5 Now there are two mixtures one of rate 130.5 /kg and another is of rate say x /kg 130.5               x 153 x-153              153-130.5   x-153/22.5=1/1 x = 175.50

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Last Updated : 28 Jun, 2021
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