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# If 6 < X < 7, is the tenths digit of the decimal representation of X

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Math Expert
Joined: 02 Sep 2009
Posts: 52297
If 6 < X < 7, is the tenths digit of the decimal representation of X  [#permalink]

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30 Apr 2018, 07:07
2
00:00

Difficulty:

35% (medium)

Question Stats:

67% (01:14) correct 33% (01:15) wrong based on 51 sessions

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If 6 < X < 7, is the tenths digit of the decimal representation of X greater than 6?

(1) X rounded up to the nearest integer is 7.
(2) X + 0.28 > 7

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Re: If 6 < X < 7, is the tenths digit of the decimal representation of X  [#permalink]

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30 Apr 2018, 18:33
Question: Tenths digit of X > 6?

St1: X rounded up to the nearest integer is 7.
X = 6.5 --> Tenths digit 5 is < 6
X = 6.7 --> Tenths digit 7 is > 6
Not Sufficient

St2: X + 0.28 > 7 --> X > 6.73
Tenths digit is always > 6
Sufficient

Re: If 6 < X < 7, is the tenths digit of the decimal representation of X &nbs [#permalink] 30 Apr 2018, 18:33
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