Question

26. What annual payment will discharge a due debt
of Rs. 944 in 4 annual installment at the rate
of 12% p.a, on SI.​

Answer 1

answer: 200Rs

explanation: Let the annual installment b Rs.x . Then

[x+{x X 3 X 12/100}] +[x+{x X 2 X 12/100}]+[x+x X 1 X 12/100}]+x=944

[x+9 x/25] + [x+6 x/25]+[x+3 x/25]+x=94434

34 x/25 +31 x/25+28 x/25 + x =944

34 x/25 + 31 x/25 + 28 x/25 +25 x/25=944

118 x/25 = 944

x = 944 x 25/118 = 8 x 25 = Rs.200

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