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5 kg of metal A and 20 kg of metal B are mixed to form an alloy. The percentage of metal A in the alloy is -

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Question

5 kg of metal A and 20 kg of metal B are mixed to form an alloy. The percentage of metal A in the alloy is

Options

  • 20%

  • 25%

  • 40%

  • None of these

MCQ

Solution

20%

Explanation:

Weight of metal A = 5 kg.

Total weight of the alloy = (5 + 20) kg = 25 kg

∴ Required percentage = `(5/25 xx 100)`% = 20%

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Percentage (Entrance Exam)
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