ABC26GN1582 · Average

Subject: General Aptitude · Chapter: Average · Exam: · Marks: · Difficulty:

The average of six numbers is $x$ and the average of three of these is $y$. If the average of the remaining three is $z$, then
(a)$x=y+z$
(b)$2 x=y+z$
(c)$x=2 y+2 z$
(d)None of these
Answer
Answer (as printed): B
Explanation
Clearly, we have: $x=\left(\frac{3 y+3 z}{6}\right)$ or $2 x=y+z$.

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

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