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Q: An investor invests 1/2 part of his money at 5%, 1/4 part at 10% and the rest at 8%, after 2 years his income is ` 2800 then find the total amouont.
  • A. `10000
  • B. `15000
  • C. `20000
  • D. `12000
Correct Answer: Option C -
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Explanations:

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