Gold content of an 18 carat alloy is______________?
Correct answer: C. 75%
- A. 25%
- B. 50%
- C. 75%
- D. 100%
Explanation
An 18-carat alloy contains 18 parts gold out of 24, so its gold content is 18/24 × 100 = 75%. The remaining 25% consists of other alloying metals.
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