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How many kg of the rice costing ₹ 42 per...

How many kg of the rice costing ₹ 42 per kg should be mixed with `7 1/2` kg rice costing ₹ 50 per kg so that by selling the mixture at ₹ 53.10 per kg, there is a gain of 18%?
कितने किलो चावल जिसकी लागत ₹42 प्रति किलोग्राम है, जिसे `7 1/2` किलोग्राम चावल , जिसकी लागत ₹50 प्रति किलोग्राम है, के साथ मिलाया जाना चाहिए ताकि मिश्रण को ₹ 53.10 रुपये प्रति किलोग्राम पर बेचकर 18% का लाभ हो|

A

`12(1)/(2)`

B

`10(1)/(2)`

C

8

D

9

Text Solution

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The correct Answer is:
A
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