55. How many kilograms of sugar costing Rs. 9
per kg must be mixed with 27 kg of sugar costing Rs. 7 per Kg so that there may
be a gain of 10 % by selling the mixture at Rs. 9.24 per Kg ?
A. 36
Kg B.
42 Kg
C. 54 Kg
D. 63 Kg
Answer:
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By
the rule of alligation:
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|
C.P.
of 1 kg sugar of 1st kind
|
C.P.
of 1 kg sugar of 2nd kind
|
|
|
|
Ratio
of quantities of 1st and 2nd kind = 14 : 6 = 7 : 3.
|
|
Let x kg
of sugar of 1st kind be mixed with 27 kg of 2nd kind.
Then, 7 : 3 = x : 27 or x = (7 x 27 / 3) =
63 kg.
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Title :
Alligation Q55
Description : 55. How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per Kg so that there may be a g...
Rating :
5
