ABC26GN0253 · Number System

Subject: General Aptitude · Chapter: Number System · Exam: 2008 · Marks: · Difficulty:

What least value must be given to $n$ so that the number $6135 n 2$ becomes divisible by 9 ?
(a)1
(b)2
(c)3
(d)4
Answer
Answer (as printed): A
Explanation
$6135 n 2$ is divisible by 9 if $(6+1+3+5+n+2)=(17+n)$ is divisible by 9 . This happens when the least value of $n$ is 1.

Explanation as extracted from the printed page; notation may be imperfect.

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