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A certain sum at simple interest amounts to ₹9440 in 3 years and to ₹10400 in 5 years. Find the sum (in ₹).

Competition practiceSimple & Compound Interest
  • A7040
  • B8500
  • C8000
  • D7500

Step-by-Step Solution

Interest for 2 years = 10400 − 9440 = 960, so yearly interest = 480. Interest for 3 years = 1440; sum = 9440 − 1440 = 8000.
Answer: C) 8000

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