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If (5+9+13+...... n terms)/( 7 + 9 + 11...

If `(5+9+13+...... n terms)/( 7 + 9 + 11 +....(n+1) terms) = 17/16`, then `n=`

A

7

B

12

C

8

D

15

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The correct Answer is:
A
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