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One karat signifies that 24 1 of an alloy is pure gold.
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07 Feb 2020, 04:33
07 Feb 2020, 04:33
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Question Stats:
87% (00:50) correct
12% (00:43) wrong based on 16 sessions
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One karat signifies that 1/24 of an alloy is pure gold. If a certain ring is 14-karat gold, approximately what percent of the alloy composing the ring is not gold?
(A) 14% (B) 24% (C) 42% (D) 55% (E) 58%
(A) 14% (B) 24% (C) 42% (D) 55% (E) 58%
Re: One karat signifies that 24 1 of an alloy is pure gold.
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09 Feb 2020, 04:42
09 Feb 2020, 04:42
3
Asif123 wrote:
One karat signifies that 1/24 of an alloy is pure gold. If a certain ring is 14-karat gold, approximately what percent of the alloy composing the ring is not gold?
(A) 14% (B) 24% (C) 42% (D) 55% (E) 58%
(A) 14% (B) 24% (C) 42% (D) 55% (E) 58%
Here,
In 14 - karat gold, percentage of pure gold = \(14 * \frac{1}{24} = 58\)%
So, percentage of the alloy not gold = \(100 - 58 = 42\)%
***PLZ mention the source
Re: One karat signifies that 24 1 of an alloy is pure gold.
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04 Apr 2024, 06:59
04 Apr 2024, 06:59
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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