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Q: A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interest. The rate per annum is ?

  • 1
    45/7 %
  • 2
    50/9 %
  • 3
    51/7 %
  • 4
    47/ 9 %
  • Show Answer
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Answer : 2. "50/9 %"
Explanation :

Answer: B) 50/9 % Explanation: Let sum = S. Then, amount = 7S/6 S.I. = 7S/6 - S = S/6; Time = 3 years. Rate = (100 x S) / (S x 6 x 3) = 5 5/9 = 50/9 %.

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