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# In what year did company A begin to operate?

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Math Expert
Joined: 02 Sep 2009
Posts: 51101
In what year did company A begin to operate?  [#permalink]

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11 Dec 2017, 00:37
00:00

Difficulty:

45% (medium)

Question Stats:

51% (00:58) correct 49% (00:50) wrong based on 53 sessions

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In what year did company A begin to operate?

(1) 14 years before company A began to operate, it was 1912.

(2) $$5\frac{1}{3}$$ years after company A began to operate, it was 1931.

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Re: In what year did company A begin to operate?  [#permalink]

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11 Dec 2017, 03:36
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Bunuel wrote:
In what year did company A begin to operate?

(1) 14 years before company A began to operate, it was 1912.

(2) $$5\frac{1}{3}$$ years after company A began to operate, it was 1931.

(1) 14 years before it began, it was 1912. So when it began the year must have been 1912+14 = 1926. Sufficient.

(2) 16/3 years after it began, it was 1931. 16/3 years means 5 years and 4 months. Here there is no surety. Eg, if company began operation in Dec 1925, then after 16/3 years it would have been April 1931. But if company began operation in January 1926, then after 16/3 years it would have been May 1931. In both these examples, latter year is 1931 only but former years (when the operation began) are different. So cant say. Insufficient.

Re: In what year did company A begin to operate? &nbs [#permalink] 11 Dec 2017, 03:36
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