Mathematics · Data Sufficiency
Each of the statements given below consists of a question followed by two statements numbered I and II. You have to decide whether the data provided in the statements are sufficient to answer the question. Question: An alloy contains zinc and copper in the ratio of 12:11 respectively. Find the original quantity of copper in the alloy. Statement I: If 20% of the alloy is replaced with the same quantity of copper, then the ratio of zinc to copper becomes 48:67. Statement II: If 125 kg of copper is added to the alloy, then the ratio of zinc to copper becomes 3:4.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The data given in both statements I and II together are not sufficient to answer the question.
- 2The data either in statement I alone or in statement II alone are sufficient to answer the question.✓
- 3The data in statement II alone is sufficient to answer the question, while the data in statemen t I alone is not sufficient.
- 4The data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient.
Correct answer
The data either in statement I alone or in statement II alone are sufficient to answer the question.
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