In what ratio should a variety of rice costing Rs.

In what ratio should a variety of rice costing Rs. 4.5 per kg be mixed with another variety of rice costing Rs. 8.75 per kg to obtain a mixture costing Rs. 7.50 per kg?

Quiz

Answer/Solution

5/12

Steps/Work

Let us say the ratio of the quantities of cheaper and dearer varieties
= x : y
By the rule of allegation, x/y
= (8.75 - 7.50) / (7.50 - 4.5) =5/12
Answer: E

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In what ratio should a variety of rice costing $ per kg be mixed with another variety of rice costing $ per kg to obtain a mixture costing $ per kg?

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