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Jane has exactly 3 times as many Canadian as non-Canadian stamps in he

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Jane has exactly 3 times as many Canadian as non-Canadian stamps in he  [#permalink]

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New post 26 Aug 2018, 20:37
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

88% (00:47) correct 12% (01:27) wrong based on 26 sessions

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Jane has exactly 3 times as many Canadian as non-Canadian stamps in her collection. Which of the following CANNOT be the number of stamps in Jane's collection?

(A) 96

(B) 80

(C) 72

(D) 68

(E) 54

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Re: Jane has exactly 3 times as many Canadian as non-Canadian stamps in he  [#permalink]

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New post 26 Aug 2018, 21:05
Bunuel wrote:
Jane has exactly 3 times as many Canadian as non-Canadian stamps in her collection. Which of the following CANNOT be the number of stamps in Jane's collection?

(A) 96

(B) 80

(C) 72

(D) 68

(E) 54



IMO it should be (E). Since the total number of stamps in the collection should be a multiple of 4. All of the other options are a multiple of 4 except 54.
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Re: Jane has exactly 3 times as many Canadian as non-Canadian stamps in he  [#permalink]

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New post 26 Aug 2018, 21:06
Bunuel wrote:
Jane has exactly 3 times as many Canadian as non-Canadian stamps in her collection. Which of the following CANNOT be the number of stamps in Jane's collection?

(A) 96

(B) 80

(C) 72

(D) 68

(E) 54


Non-C+C=Total stamps
Or, Non-C+3*Non-C=Total stamps

So, Total stamps=4*Non-C Or, Total no of stamps is a multiple of 4.

Among answer options , 54 is not a multiple of 4.

Ans. (E)
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Re: Jane has exactly 3 times as many Canadian as non-Canadian stamps in he &nbs [#permalink] 26 Aug 2018, 21:06
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Jane has exactly 3 times as many Canadian as non-Canadian stamps in he

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