What is the hundreds digit of integer n?

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BTGmoderatorDC: Moderator; Posts: 7187; Joined: Thu Sep 07, 2017 4:43 pmFollowed by: 23 members

by BTGmoderatorDC » Fri May 08, 2020 5:49 pm

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What is the hundreds digit of integer n?

1) The tens digit of n/10 is 4
2) The thousands digit of 10n is 4

OA D

Source: GMAT Prep

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swerve: Legendary Member; Posts: 2539; Joined: Sun Oct 29, 2017 2:04 pmFollowed by: 6 members

Re: What is the hundreds digit of integer n?

by swerve » Sun May 10, 2020 6:46 am

BTGmoderatorDC wrote: ↑
Fri May 08, 2020 5:49 pm
What is the hundreds digit of integer n?

1) The tens digit of n/10 is 4
2) The thousands digit of 10n is 4

OA D

Source: GMAT Prep

St 1)
The tens digit of $n/10$ is $4$
Implies the Hundreds digit of $n$ is $4$ $\Large{\color{green}\checkmark}$

St 2)
The thousands digit of $10n$ is $4$
Implies the Hundreds digit of $n$ is $4$ $\Large{\color{green}\checkmark}$

Hence, D

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