If 1 kg of an alloy contains 0.5 kg of iron, find the percentage of iron in the alloy.

50%

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30%

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20%

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Solution

The correct option is A 50%
$\frac{0.5}{1}$ $\times$ 100 = 50%
Hence, option (a) is the correct answer.

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If 1 kg of an alloy contains 0.5 kg of iron, find the percentage of iron in the alloy.

The correct option is A 50%0.51 × 100 = 50% Hence, option (a) is the correct answer.

The correct option is A 50%
$\frac{0.5}{1}$ $\times$ 100 = 50%
Hence, option (a) is the correct answer.