Subject: General Aptitude · Chapter: Number System · Exam: · Marks: · Difficulty:
Which of the following is a factor of the given number?
(a)2
(b)3
(c)4
(d)9
Answer
Answer (as printed): B
Explanation
The number is odd. So, it is not divisible by 2 or 4 . Sum of digits $=9+7+5+2+1=24$, which is divisible by 3 but not by 9 . So, the given number is divisible by 3 .
Explanation as extracted from the printed page; notation may be imperfect.