Home Maths Sequence and Series ( Progressions ) Mix A man arrange to pay off of Rs.3600 by 40 an…
Maths Sequence and Series ( Progressions ) Mix Single Correct MCQ
Published on: August 14, 2026

A man arrange to pay off of Rs.3600 by 40 annual installments which are in A.P. when 30 of the installments are paid, he dies leaving one third of the debt unpaid. The value of 8 th installments is

A
Rs.35
B
Rs.50
C
Rs.65
D
None of these

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Text Solution

Verified by Experts
The correct answer is:
C

Let 'a' is first installments

3600 = [2a + 39d]

2a + 39d = 180 … (1)

After 30 installments unpaid amount is

= = 1200

paid amount is = 2400

[2a + 29d] = 2400

2a + 29d = 160 … (2)

a = 51, d = 2

8 th installment is = a + 7d

= 51 + 14 = 65

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