Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a k

Question

Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.

Options:

A . 3:4

B . 4:5

C . 1:3

D . 2:3

Answer: Option D

By the rule of alligation:Cost of 1 kg rice of 1st kind Cost of 1 kg rice of 2nd kind Required ratio = 60 : 90 = 2 : 3

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