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What is the remainder when x is divided by 6?

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by BTGmoderatorDC » Tue Jan 19, 2021 4:35 pm

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What is the remainder when x is divided by 6?

(1) x is divisible by 1,005,879
(2) x is divisible by 1,234,890


OA B

Source: Veritas Prep
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Source: — Data Sufficiency |

BTGmoderatorDC wrote:
Tue Jan 19, 2021 4:35 pm
What is the remainder when x is divided by 6?

(1) x is divisible by 1,005,879
(2) x is divisible by 1,234,890


OA B

Source: Veritas Prep
Statement 1:
\(x\) is divisible by \(1,005,879\)

\(1005,879\) is not divisible by \(2.\)

but it is divisible by \(3 (1+0+0+5+8+7+9=30 )\)

\(\Rightarrow\) if \(x =2\cdot 1,005,879,\) then \(x\) is divisible by \(6\) (remainder will be zero)

\(\Rightarrow\) if \(x =3\cdot 1,005,879,\) then \(x\) is not divisible by \(6\) (remainder will be \(3\))
Not Sufficient \(\Large{\color{red}\chi}\)

Statement 2:
\(x\) is divisible by \(1,234,890\)

\(1,234,890\) is EVEN number \(\Rightarrow\) divisible by \(2.\)
\(1+2+3+4+8+9+0= 27 \Rightarrow\) divisible by \(3\)

\(\Rightarrow 1,234,890\) is divisible by \(6 \Rightarrow x\) is multiple of \(1,234,890\)
Sufficient \(\Large{\color{green}\checkmark}\)

Therefore, B
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