This is an arithmetic progression based question from Chapter name- Arithmetic Progression
Chapter number- 9
Exercise – 9.6
In this question we have been given that the sum of first 9 terms of an A.P. is 162.
Also The ratio of its 6th term to its 13th term is 1: 2.
Now we have to Find the first and 15th term of the A.P
CBSE DHANPAT RAI PUBLICATIONS
Understanding CBSE Mathematics
Class :- 10th
Question no 28