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The fixed-deposit receipt shows the maturity value but not the money deposited. How much did Mrs. Kulkarni deposit?

Class 8Compound InterestComparing Quantities

A₹ 12,960
B₹ 14,400
C₹ 13,500
D₹ 12,800

Step-by-Step Solution

Each year the amount is multiplied by

1 + \frac{12.5}{100} = \frac{9}{8}

. So

P \times \frac{81}{64} = 16200 \Rightarrow P = 16200 \times \frac{64}{81} = ₹ 12, 800

. (₹ 12,960 uses simple interest.)

Answer: D) ₹ 12,800

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