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Udoh deposited N150.00 in the bank. At the end of 5 years the simple interest…

Udoh deposited N150.00 in the bank. At the end of 5 years the simple interest on the principal was N55.00. At what rate per annum was the interest paid?
  • A.
    11%
  • B.
    7(frac{1}{3})%
  • C.
    5
  • D.
    3(frac{1}{2})%
Correct Answer: Option B
Explanation

S.I = (frac{PTR}{100})
R = (frac{100}{PT})
(frac{100 times 50}{150 times 6}) = (frac{22}{3})
= 7(frac{1}{3})%