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An ore contains 25% of an Alloy, out of ...

An ore contains `25%` of an Alloy, out of that `90%` is iron. Besides, the remaining `75%` of the alloy doesn't contain any iron. Find out the required amount of the ore to get 60kg of pure iron. (approx)

A

250.57

B

266.67

C

275.23

D

300

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The correct Answer is:
B
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