Question

If a, b, c are in A.P. then `(a-b)/(b-c)` is equal to ______.

Options

• 1

• `b/a`

• `a/c`

• `c/a`

Answer 1

If a, b, c are in A.P. then `(a-b)/(b-c)` is equal to 1.

Explanation:-

Since a, b, c are in A.P.

∴ b - a = c - b

`=> (b-a)/(c-b)=1`

`=>(a-b)/(b-c)=1`