

InterviewSolution
Saved Bookmarks
1. |
If the sum of first 8 terms of arithmetic progressions is 136 and that of first 15 terms is 465, then find the sum of first 25 terms. OR The sum of the 5^(th) and 9^(th) terms of an arithmetic progression is 40 and the sum of the 8^(th) and 14^(th) term is 64, find the sum of first 20 terms. |
Answer» OR 610 |
|