Question

what is the percent of pure gold in 22-carat gold, if 24- carat gold is hundred percent pure gold?

90 1/3

91 2/3

94 1/3

94 2/3
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Answer 1

Answer:

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Answer 2

Answer:

$Correct \: Option \: is \: (b)91 \frac{2}{3}$

Step-by-step explanation:

Here we can use Unitary Method:-

So, 24-carat = 100%

=> 1-carat = (100/24)% = (25/6)%

So, 22-carat = (25/6) × 22%

=> 22-carat = (275/3)%

$Therefore, 22-carat = 91 \frac{2}{3}\%$

$So, Correct \: Option \: is \: (b)91 \frac{2}{3}$

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