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Find the proportion in which three types of sugar at ₹ 12, ₹ 14 and ₹ 20 may be mixed so as to obtain a
mixture worth 15 per kg ?
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- 15 : 5 : 6
- 5 : 15 : 6
- 3 :12 : 16
- 4 :12 : 15
Correct Option: B
Required proportion = 5 : 5 : (3 + 1 ) o r 5 : 5 : 4 .
Note : We can find other alternatives too by adding multiples of the quantities obtained at I and II. This will give us infinite number of alternatives. Care must be taken not to mix up quantities of one pair with another
For example ,
