Which one of the following statements about three numbers arranged in an arithmetic…

MATHEMATICS · Single correct · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

Which one of the following statements about three numbers

x,\,y,\,z

arranged in an arithmetic progression is always true? (a)

x = \dfrac{y+z}{2}

(b)

z = \dfrac{x+y}{2}

(c)

y = \dfrac{x+z}{2}

(d)

y = \sqrt{xz}