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IAI Actuarial Core Principles · Actuarial Mathematics for Modelling · Present value and accumulated value of cashflow streams

A loan of Rs 1,00,000 is repaid by two payments: Rs 60,000 at the end of year 1 and Rs X at the end of year 2. The effective annual rate of interest is 10%. What is X, to the nearest rupee?

X equals Rs 55,000, found from the equation of value 100,000 = 60,000/1.1 + X/1.21. The balance after year 1 is 50,000, which accumulates to 55,000 at 10%.

  1. ARs 40,000
  2. BRs 44,000
  3. CRs 49,000Correct
  4. DRs 50,000
  5. Rs 53,000

Explanation

Equation of value at time 0: 100,000 = 60,000/1.1 + X/1.21. 60,000/1.1 = 54,545.45, leaving 45,454.55. Multiplying by 1.21 gives X = 55,000. Check: outstanding after year 1 is 110,000 − 60,000 = 50,000, which grows to 55,000. So the key must be 55,000, which is not among the options.

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