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A sum of ₹16000 is lent at 10% per annum, compounded half-yearly. What is the compound interest for 1 year (in ₹)?

Competition practiceSimple & Compound Interest
  • A1600
  • B1640
  • C1680
  • D820

Step-by-Step Solution

Half-yearly: rate 5% per half-year for 2 periods. Amount = = ₹17640, so CI = ₹1640.
Answer: B) 1640

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