Question

If an alloy contains only two metals 'A' and 'B' in the ratio of 3:9.5, determine the percentage quantity of Ain the alloy?
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Answer 1

A:B :: 3:9.5

% of A = [(A) / ( A+ B)] * 100

= [ 3 / 12.5] * 100

= 0.24 * 100

= 24 %