QA – Placement Quizzes | Mixtures and Alligation | Question 14

In what ratio a vendor should mix rice at Rs.60 per kg with rice at Rs. 68 per kg so that the final rice mixture must be of worth Rs. 63 per kg?
(A) 1:3
(B) 3:1
(C) 2:3
(D) 3:2


Answer: (B)

Explanation: By rule of alligation,

Cost of 1 kg of 1st  kind rice	Cost of 1 kg of 2nd  kind rice
62	72
64.5
72-64.5=7.5	64.5-62=2.5

Required Ratio = 7.5 : 2.5 = 3 : 1

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