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Question: An alloy of copper and aluminum has 40% copper. An alloy of copper and zinc has copper and zinc in the ratio 2:7. These two alloys are mixed in such a way that in the overall alloy, there is more aluminum than zinc, and copper constitutes x% of this alloy. What is the range of values x can take?
a. 30% to 40%
b. 32.5% to 42%
c. 33.33% to 40%
d. 32.5% to 40%

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1 Comment

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  1. Vijay Pandey 3 years ago

    Sir please video hindi

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