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(i) The sum of n terms of two arithmetic...

(i) The sum of n terms of two arithmetic series are in the ratio of `(7n+1)/(4n+27)`. Find the ratio of their 11 th terms.
(ii) The sum of n terms of arithmetic progressions are in the ratio`(3n+8):(7n+15)`. Find the ratio of their 12 th terms.

A

0.16875

B

0.21111111111111

C

0.29444444444444

D

none of a,b,c

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The correct Answer is:
A
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