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If the simple interest on N2000 after 9 months is N60, at what rate per...

Mathematics
WAEC 2000

If the simple interest on N2000 after 9 months is N60, at what rate per annum is the interest charged?

  • A. \(2\frac{1}{4}\)%
  • B. 4%
  • C. 5%
  • D. 6%
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Correct Answer: Option B
Explanation

\(I = \frac{PRT}{100}\)

\(R = \frac{100I}{PT}\)

\(R = \frac{100 \times 60}{2000 \times \frac{3}{4}}\)

\(R = \frac{6000}{1500}\)

= 4%


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