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A 20 percent gain is made by selling the...

A 20 percent gain is made by selling the mixture of two types of ghee at 480 per kg. If the type costing 610 per kg was mixed with 126 kg of the other, how many kilograms of the former was mixed ?

A

138 kg

B

34.5 kg

C

69 kg

D

None of these

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The correct Answer is:
D
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