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# When positive integer x is divided by 4, how many non-zero digits will

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Math Expert
Joined: 02 Sep 2009
Posts: 58453
When positive integer x is divided by 4, how many non-zero digits will  [#permalink]

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11 Jan 2018, 23:30
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Difficulty:

35% (medium)

Question Stats:

72% (01:21) correct 28% (01:36) wrong based on 44 sessions

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When positive integer x is divided by 4, how many non-zero digits will the resulting number have to the right of the decimal?

(1) When x is divided by 4 the remainder is 1.
(2) When x is divided by 4 the remainder is odd.

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Joined: 30 May 2017
Posts: 36
GMAT 1: 730 Q49 V41
Re: When positive integer x is divided by 4, how many non-zero digits will  [#permalink]

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12 Jan 2018, 00:48
When positive integer x is divided by 4, how many non-zero digits will the resulting number have to the right of the decimal?

(1) When x is divided by 4 the remainder is 1.
(2) When x is divided by 4 the remainder is odd.

1. When the remainder is 1 then we will always have .25 therefore sufficient.
2. possible remainders are 0,1,2,3 .
For 1 we get.25 for 3 we always get .75 still 2 digits in both the cases. Hence sufficient.

D.
Re: When positive integer x is divided by 4, how many non-zero digits will   [#permalink] 12 Jan 2018, 00:48
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