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SSC CHSL 2025 · PYQ · Simple and Compound Interest · medium

A person invested ₹18,000 each in two different schemes for 2 years. One scheme offered 15% p.a. simple interest and the other offered 15% p.a. compound interest, compounded annually. Find the difference between the interest earned from both schemes.

  1. A.₹405✓ Correct
  2. B.₹456
  3. C.₹489
  4. D.₹411

Explanation

SI = 18000 × 15 × 2/100 = ₹5400. CI = 18000 × [(1.15)² − 1] = 18000 × 0.3225 = ₹5805. Difference = 5805 − 5400 = ₹405.
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