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}}$$


Discussion

No Comment Found