PracticeMedium
Q.If the ratio of the 7th term of an A.P. to its 11th term is , then the ratio of the sum of first 18 terms to the sum of first 12 terms is
a
12:13
b
39:34
c
51:44
d
57:46
Correct Answer: Option C
The correct solution involves applying the fundamental concept to derive the final value step by step...