The ratio of Pure gold and 18 carot gold is – (1) 60% (2) 75% (3) 80% (4) 100%

1 Answer

Answer :

(2) 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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