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Q: A person invested a sum of `10,500 at x% per annum at simple interest and a sum of `13,500 at (x + 2)% p.a. at simple interest. If the total interest earned on both the investments for 3 years is `7,650, then the rate of interest on the first investment is?
  • A. 9.5%
  • B. 9%
  • C. 8.5%
  • D. 8%
Correct Answer: Option A -
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Explanations:

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