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In what ratio must a grocer mix two types of rice costing Rs.7.50 per kg and Rs.10 per kg, respectively, so as to get a mixture worth Rs.8.25 per kg?
A) 4:3
B) 7:3
C) 8:3
D) 2:5
Correct answer:
B) 7:3
Description for Correct answer:
According to the rule of allegation,
Therefore, Required ratio = 1.75 : 0.75 = 7: 3
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