One of the most important and exam oriented question from Chapter name- Arithmetic Progression
Chapter number- 9
Exercise :- 9.6
This type of question has been asked in previous years exams.
In this question we have been given that the sum of the first 7 terms of an A.P. is 63 and the sum of its next 7 terms is 161
Now we have to find the 28th term of this A.P.
CBSE DHANPAT RAI publication
CBSE Mathematics Class 10th