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Q. |
The ratio of Pure gold and 18 carot gold is – |
A. | 60% |
B. | 75% |
C. | 80% |
D. | 100% |
Answer» B. 75% | |
Explanation: 24-karat gold is pure (while 100% purity is unattainable, this designation is permitted in commerce for 99.95% purity), 18- karat gold is 18 parts gold, 6 parts another metal (forming an alloy with 75% gold). |
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