Choose the correct answer from the alternatives given. A grocer mixes 26 kg of tea which costs him Rs.2.00 a kg with 30 kg of tea which costs Rs. 3.60 a kg and sells the mixture at Rs. 3 a kg. What is his total percentage of gain?
8%
5%
10%
None of these
A
10%
B
None of these
C
5%
D
8%
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Solution
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The correct option is B5% Let the CP of the mixture be Rs. x. Using the rule of alligation, 2630=3.60−xx−2
1315=3.60−xx−2
13x−26=54−15x 28x=80 x = 8028 CP of mixture = 8028 SP of mixture = 3 Profit = 3−80288028×100=5%
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