Two kilogram rice at rupees 72 per kilogram – InterviewSolution

1.

Two kilogram rice at rupees 72 per kilogram

Answer»

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LET the two quantities to be MIXED be x and y, respectively.

Then we have, x * 72 + y * 90 = (x + y ) * 78

72x + 90y = 78x + 78y

6x = 12y

Hence , ratio x/y = 2/1

Hence the two varieties are to be ADDED in the ratio , 2:1

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