Question

Question :
Number of terms in an
A.P. 7 , 10 , 13 , .........
31 is
(1) 7
(2) 8
(3) 9​

Answer 1

Answer:

Let 205 be the nth term of the given AP.

⇒a

n

=205

⇒a+(n−1)d=205

⇒7+(n−1)×6=205

⇒(n−1)×6=198

⇒n=34

Hence, there are 34 terms in the given AP.

hope it helpful to you ........

Answer 2

Explanation:

The question is wrong,

last term is not possible 31 in the given A. P

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