A shopkeeper mixes two varieties of rice purchased at the rate of Rs. 35 per kg and at the rate of Rs. 28 per kg respectively. If he sells the mixture at the rate of Rs. 36 per kg and gains 20%, then the ratio in which the two varieties are mixed is:

A shopkeeper mixes two varieties of rice purchased at the rate of Rs.

1.	A shopkeeper mixes two varieties of rice purchased at the rate of Rs. 35 per kg and at the rate of Rs. 28 per kg respectively. If he sells the mixture at the rate of Rs. 36 per kg and gains 20%, then the ratio in which the two varieties are mixed is:
A.	5 ∶ 3
B.	4 ∶ 7
C.	2 ∶ 5
D.	7 ∶ 4
Answer» D. 7 ∶ 4

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A shopkeeper mixes two varieties of rice purchased at the rate of Rs. 35 per kg and at the rate of Rs. 28 per kg respectively. If he sells the mixture at the rate of Rs. 36 per kg and gains 20%, then the ratio in which the two varieties are mixed is:

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