Ratio and Proportion Practice Test 1

Question : 6 of 40

Marks: +1, -0

An alloy is to contain copper and zinc in the ratio 11 : 7. The zinc required to be melted with 44 kg of copper is:

Solution:

Let the required quantity of copper be x kg.1Then, 11 : 7 : : 44 : x
11 × x = 7 × 44

x={7×44}/11=28

∴ The required quantity of zinc is 28 kg.

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