In what ratio should a kind of sugar at 8.70 Rs/kg be mixed with another kind of sugar at 9.70 Rs/kg so that the mixture be worth 9 Rs/kg?
(A) 3:7
(B) 4:7
(C) 7:4
(D) 7:3
Answer: (D)
Explanation: By rule of allegation,
|
Cost of 1 kg sugar of 1st kind |
Cost of 1 kg sugar of 2nd kind |
|
8.7 |
9.70 |
|
9 |
|
| 9.7-9 = .7 |
9 – 8.7 = .3 |
= 0.7 : 0.3 = 7 : 3
Quiz of this Question
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