1.

(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.

Answer»

0.16875
0.21111111111111
0.29444444444444
none of a,B,c

Answer :A


Discussion

No Comment Found