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Question

An alloy contains 15% Zinc, 45% Tin and the rest Iron. Find the quantity of Iron in 2 kg of this alloy.


A

1.2 kg

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B

0.8 kg

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C

1 kg

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D

0.9 kg

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Solution

The correct option is B

0.8 kg


Percentage of Zinc + Tin = 15 + 45 = 60%

Percentage of Iron = 100 - 60 = 40%

Quantity of Iron in 2 kg of alloy = 40100×2 = 80100 = 0.8 kg


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