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An Integer is obtained by writing all p

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Manager
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Joined: 03 Nov 2018
Posts: 60
Location: India
Schools: LBS '21
GMAT 1: 580 Q44 V28
GMAT 2: 580 Q44 V28
GPA: 3.44
An Integer is obtained by writing all p  [#permalink]

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New post 08 Apr 2019, 07:49
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Difficulty:

  25% (medium)

Question Stats:

79% (02:08) correct 21% (02:47) wrong based on 14 sessions

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An Integer is obtained by writing all positive integers from 1 to 60 in following manner:
1234567891011121314 ……..585960. Find the 80th digit from left in this integer.

A.5
B.9
C.6
D.4
E.2
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Joined: 21 Feb 2019
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An Integer is obtained by writing all p  [#permalink]

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New post 08 Apr 2019, 08:01
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From 1 to 9: one place occupied per number.
From 10: two places occupied per number.

So, \(9 + 2*35 = 79\). \(9 + 35 = 44\).
\(80th\) digit will be 4, as ten digit of 45.
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An Integer is obtained by writing all p   [#permalink] 08 Apr 2019, 08:01
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