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To manufacture an article the ratio of r...

To manufacture an article the ratio of raw manterial and labour in respect to total cost is `70%` and `30%` respectively and profit is `14(2)/(7)%` of raw material. If cost of rraw material and labour increased by `20%` and `40%` respectively and selling price by `80%` then find the profit percent ?

A

`57%`

B

`65.8%`

C

`60%`

D

con't determined

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The correct Answer is:
A
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