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The amount should be deposited at the end of every 6 months to accumulate Rs.50,000 in 8 years if money is worth 6% p.a. compounded semiannually, is: [Given (1.03)16=1.6047(1.03)^{16} = 1.6047]

Solution

✅ Correct Option: 3

Given information:

  • Future Value = Rs. 50,000
  • Time Period = 8 years
  • Interest Rate = 6% per annum compounded semiannually
  • (1.03)16=1.6047(1.03)^{16} = 1.6047

Converting to semiannual terms:

Interest rate per 6 months:

i=6%2=3%=0.03i = \frac{6\%}{2} = 3\% = 0.03

Number of deposits:

n=8×2=16n = 8 \times 2 = 16


The future value of annuity formula:

FV=P×(1+i)n−1iFV = P \times \frac{(1+i)^n - 1}{i}

Rearranging for PP:

P=FV×i(1+i)n−1P = FV \times \frac{i}{(1+i)^n - 1}


Substituting the values:

P=50,000×0.03(1.03)16−1P = 50,000 \times \frac{0.03}{(1.03)^{16} - 1}

Using (1.03)16=1.6047(1.03)^{16} = 1.6047:

P=50,000×0.031.6047−1P = 50,000 \times \frac{0.03}{1.6047 - 1}

P=50,000×0.030.6047P = 50,000 \times \frac{0.03}{0.6047}


Computing the numerator:

50,000×0.03=1,50050,000 \times 0.03 = 1,500

Dividing by the denominator:

P=1,5000.6047P = \frac{1,500}{0.6047}

P=2,480.57P = 2,480.57


The amount to be deposited at the end of every 6 months is Rs. 2,480.57

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