Question

The 9th term of the A.P. - 15,- 11, -7, ...., 49 is
(A) 32
(B) 0
(C) 17
(D) 13
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Answer 1

Hi,

Here is your answer

Given:

First term of the A.P(a1)= -15

Difference(d)=a2-a1= -11+15=4

To Find:

9th term of the A.P

Solution:

The 9th term of the A.P is given by

a9=a1+8d

a9= -15+8×4

a9=17

Hence the ninth term of the AP is 17

So the correct option is c

Hope this helps you.

Answer 2

Answer:

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