Question

An A.P. if the 4th term is 9, common difference is 2, 3rd term is A)2 B)3 C)5 D)7

Answer 1

Step-by-step explanation:

4th term= 9

Difference d = 2

means a+3×2= 9

a+6= 9

a=9-6

a=3

Means first term is = 3

so the 3rd term will be: a+2×d

3+2×2= 7

so D will be the right answer.