If x+y+z=9 and both y and z are positive integers greater than zero, then the maximum value x can take is · ABC26GN0070

Subject: General Aptitude · Chapter: Number System · Exam: Campus Recruitment 2006

If $x+y+z=9$ and both $y$ and $z$ are positive integers greater than zero, then the maximum value $x$ can take is

(a)3

(b)7

(c)8

(d)Data insufficient

Answer

Answer (as printed): B

Explanation

We may take the least values of $y$ and $z$ as $y=1$ and $z=1$. So, the maximum value of $x$ is 7.

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

Study loop for Number System