Home » Aptitude » Compound Interest » Question
  1. A loan of ₹ 12,300 at 5% per annum compound interest, is to be repaid in two equal annual
    instalments at the end of every year. Find the amount of each instalment.
    1. ₹ 6,651
    2. ₹ 6,615
    3. ₹ 6,516
    4. ₹ 6,156
Correct Option: B

Given that , Loan = ₹ 12,300 , r = 5% per annum
Let each instalment be y.

∴ 
y
+
y
= 12300
1 +
5
1 +
5
2
100100

⇒ 
20y
+
20
2y = 12300
2121

⇒ 
20y
1 +
20
= 12300
2121

⇒ 
20y
×
41
× y = 12300
2121

⇒  y =
12300 × 21 × 21
= ₹ 6615
20 × 41



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