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    • Question

      A sum of money becomes ₹7800 after 3 years and ₹8500

      after 4 years at simple interest. What is the principal amount?
      A ₹6,000 Correct Answer Incorrect Answer
      B ₹6,500 Correct Answer Incorrect Answer
      C ₹5,700 Correct Answer Incorrect Answer
      D ₹7,500 Correct Answer Incorrect Answer

      Solution

      Interest for 1 year = ₹8500 − ₹7800 = ₹700. For 3 years, the interest = 3 × ₹700 = ₹2,100. Principal = ₹7800 − ₹2,100 = ₹5,700. Thus, the correct answer is ₹5,700 . Ans. c

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