42. An ore contains 25% of an alloy, whi...

42. An ore contains 25% of an alloy, which contains 90% iron. Additionally, ore The remaining 75% of K contains no iron. Expected quantity of ore for 60 kg of pure iron Is in kg, about- (a) 250.57 (b) 266.67 (c) 275.23 (d) 300

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42. An ore contains 25% of an alloy, which contains 90% iron. Additionally, ore The remaining 75% of K contains no iron. Expected quantity of ore for 60 kg of pure iron Is in kg, about- (a) 250.57 (b) 266.67 (c) 275.23 (d) 300

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