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Q: A sum of money was invested at simple interest at r% per annum for 3 years. Had the rate of interest been (r + 2)%, it would have fetched रु 84 more. Find the sum invested.
  • A. रु 1,200
  • B. रु 1,600
  • C. रु 1,400
  • D. रु 1,500
Correct Answer: Option C -
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Explanations:

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