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There are two varieties of rice. Rice I or Rice II. Rice I costing Rs. 60 per kg and rice II costing Rs. 75 per kg. If both the rice mixed so that there will be no loss or gain on selling the mixture at the rate of Rs. 69 per Kg. Find the ratio in which both the varieties mix.

There are two varieties of rice. Rice I or Rice II. Rice I costing Rs. 60 per kg and rice II costing Rs. 75 per kg. If both the rice mixed so that there will be no loss or gain on selling the mixture at the rate of Rs. 69 per Kg. Find the ratio in which both the varieties mix. Correct Answer 2 : 3

Given:

Rice I costing = Rs. 60 per kg

Rice II costing = Rs. 75 per kg

Cost price of a mixture = Rs. 69 per kg

Formula used:

Quantity of cheaper/quantity of dearer = (price of dearer – mean price)/(mean price – price cheaper)

Ratio of mixture: (75 – 69)/(69 – 60)

⇒ 6/9

⇒ 2 : 3

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