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 a man arranges to pay off his debt of Rs 3600 by 40 annual installments which form an arithmetic series.
When 30 of the installments are paid, he dies leaving one-third of the debt unpaid.
Now we have to find the value of the first installment by using arithmetic progressions properties
CBSE DHANPAT RAI PUBLICATIONS
Understanding CBSE Mathematics
Class :- 10th
Question no 65