A jewel necklace contains only emeralds, rubies, and diamonds. If the ratio of emeralds to diamonds is 2:7

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by BTGmoderatorDC » Mon Dec 07, 2020 5:19 pm

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A jewel necklace contains only emeralds, rubies, and diamonds. If the ratio of emeralds to diamonds is 2:7 and the ratio of diamonds to rubies is 3:2, then which of the following could not be the number of jewels on the necklace?

(A) 41

(B) 81

(C) 82

(D) 123

(E) 205

OA B

Source: Magoosh

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Source: Beat The GMAT — Problem Solving | Mon Dec 07, 2020 5:19 pm

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