For the arithmetic progression whose first term is and common difference is

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

Problem

For the arithmetic progression whose first term is

23

and common difference is

2.5

, which of the following ordered pairs

(a_{12},\,a_{40})

is correct? (a)

(53,\;123)

(b)

(50.5,\;120.5)

(c)

(48,\;118)

(d)

(50,\;122.5)