What minimum value should be assigned to *, so that 2361* 48 is exactly divisible by 9 ? · ABC26GN0404
Subject: General Aptitude · Chapter: Number System · Exam: ESIC—UDC Exam 2016
What minimum value should be assigned to *, so that $2361^{*} 48$ is exactly divisible by 9 ?
(a)2
(b)3
(c)9
(d)4
Answer
Answer (as printed): B
Explanation
2361*48 will be divisible by 9 if the sum of the digits of the given number is divisible by 9 . $2+3+6+1+{ }^{*}+4+8$ i.e. $\left(24+{ }^{*}\right)$ is divisible by 9. Clearly, ${ }^{*}=3$ because 27 is divisible by 9 .
Explanation as extracted from the printed page; notation may be imperfect.