Q. 84.2( 5 Votes )

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Answer :

To solve this question, we equate nth term of this A.P. as -150. If n is a natural number then it lies in the A.P. otherwise it doesn’t.

For the A.P. series given,



nth term of A.P. = a + (n-1)d

= 17 + (n-1)(-5)=-150



n= 172/5

Here we see that n is not a natural number,
-150 is not a term of this A.P.

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