how many kilogram of maida costing rs.10 per kg must be mixed with 28 kg of maida costing rs.8 per kg so that there may be a gain of 10% by selling the mixture at rs.10.24 per kg?
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Answer:
52kg
Explanation:
Given,
=> Selling Price (SP)
of 1kg mixture = Rs. 10.24
=> Profit 10%
Therefore, Cost Price(CP) of 1kg mixture
=>CP= (10/11)×10.24
=> CP= Rs. 9.30
[10/11 is a rule used for finding unknown CP]
By allegation rule,
#(refer the above pic)
We get,
the ratio of
First and Second kind = 1.3 : 0.7
= 13 : 7
Let 'X' kg of Maida of first kind
be mixed with 28kg of second kind
=> 13 : 7 = X : 28
=> X = (13÷7)×28
=> X = 52 kg
So... "The Answer is 52 kilogram"
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