QA – Placement Quizzes | Mixtures and Alligation | Question 12

In what ratio must rice of one kind worth Rs. 50/kg be mixed with another kind of rice of worth Rs. 55/kg such that by selling the mixture at Rs. 57.20/kg, there can be a gain 10%?
(A) 3:4
(B) 4:6
(C) 1:3
(D) 3:2


Answer: (D)

Explanation: SP of 1 kg mixture = Rs. 57.20
Profit = 10%
CP of 1 kg mixture =100SP/(100+Profit%)  =100*57.20/(100+10) =5720/110

=Rs. 52

By rule of allegation



 

CP of 1 kg rice
of 1st kind

CP of 1 kg rice
of 2nd kind

50

55

52

55 – 52 = 3

52 – 50 = 2

Hence required ratio = 3 : 2

Quiz of this Question
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