Question

Which term of the Ap 3,8,13,18,----,is 88

Answer 1

Answer 18 terms of AP........

Answer 2

Given :

Ap 3,8,13,18,----

To Find :

Which term of the Ap 3,8,13,18,----,is 88

Solution:

First term = a = 3

Common difference = d = 8-3=13-8=5

Formula of nth term =$a_n=a+(n-1)d$

So, 88=3+(n-1)(5)

88-3=(n-1)(5)

85=(n-1)(5)

17=n-1

18=n

Hence The 17 th term is 88