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

विकल्प

• 20%

• 25%

• 40%

• None of these

Answer 1

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%