ABC26GN2187 · Percentage

Subject: General Aptitude · Chapter: Percentage · Exam: · Marks: · Difficulty:

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

(a)20\%

(b)25\%

(c)40\%

(d)None of these

Answer

Answer (as printed): A

Explanation

Weight of metal $\mathrm{A}=5 \mathrm{kg}$. Total weight of the alloy $=(5+20) \mathrm{kg}=25 \mathrm{kg}$. $$\text { ∴ } \text { Required percentage }=\left(\frac{5}{25} \times 100\right) \%=20 \% .$$

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