A

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Q. A sum of money at a certain rate per annum of simple interest doubles in the 5 years and at a different rate becomes three times in 12 years. The lower rate of interest per annum is = ?

  • (A) 15%
  • (B) 20%
  • (C) 63/4 %
  • (D) 50/3 %
  • Correct Answer - Option(D)
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