Question

Find the number of terms in each of the following APs :

(ii)
18, 15(0.5), 13, ..., -47​

Answer 1

Answer:

11(0.5), 9, 7(0.5), 5, 3(0.5), 1, -3(0.5)

Answer 2

Answer:

18 ,15

18 -3 = 15

So , answer must be 18 , 15