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# What digit is y in the decimal 0.y847?

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Math Expert
Joined: 02 Sep 2009
Posts: 58453
What digit is y in the decimal 0.y847?  [#permalink]

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11 Jan 2018, 21:57
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Difficulty:

35% (medium)

Question Stats:

63% (00:49) correct 37% (01:27) wrong based on 38 sessions

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What digit is y in the decimal 0.y847?

(1) 0.y847 is greater than 9/10.
(2) 0.y847 rounded to the units digit is 1.

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Joined: 23 Feb 2017
Posts: 58
Re: What digit is y in the decimal 0.y847?  [#permalink]

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11 Jan 2018, 22:47
What digit is y in the decimal 0.y847?

(1) 0.y847 is greater than 9/10

0.y847 > 0.9, So y has to be 9 only
Sufficient

(2) 0.y847 rounded to the units digit is 1

0.5847 can be rounded to 1
0.9847 can be rounded to 1

Not sufficient

Ans. A
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Re: What digit is y in the decimal 0.y847?   [#permalink] 11 Jan 2018, 22:47
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