

MCQOPTIONS
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1. |
The sum of n terms of two A.P.’s are in the ratio 5n + 4 : 9n + 6. Then, the ratio of their 18th term is |
A. | $\frac{{179}}{{321}}$$ |
B. | $\frac{{178}}{{321}}$$ |
C. | $\frac{{175}}{{321}}$$ |
D. | $\frac{{176}}{{321}}$$ |
Answer» B. $\frac{{178}}{{321}}$$ | |