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Q: If the total simple interest on a sum of `1,400 for 4 years at rate of interest x% p.a. and on the same sum for two years at the same rate, is `672, then the value of x is:
  • A. 6%
  • B. 9%
  • C. 8%
  • D. 10%
Correct Answer: Option C -
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Explanations:

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