This is an arithmetic progression based question from Chapter name- Arithmetic Progression
Chapter number- 9
Exercise – 9.6
In this question we have to find out which term of the A.P. -2, -7, -12,…, will be -77.
Also we have to find the sum of this A.P. up to the term -77.
CBSE DHANPAT RAI PUBLICATIONS
Understanding CBSE Mathematics
Class :- 10th
Question no 72