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If the simple interest on a sum of money invested at 3% per annum for 2\(\frac{1}{2}\) ...

If the simple interest on a sum of money invested at 3% per annum for 2\(\frac{1}{2}\) years is N123, find the principal.
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  • A N676.50
  • B N820
  • C N1,640
  • D N4,920
Correct Answer: Option C
Explanation:
I = N123; R = 3%' T = 2\(\frac{1}{2}\) yrs; P = \(\frac{100 \times 1}{RT}\)
P = \(\frac{100 \times 123}{3 \times 2.5}\)
principal(P) = N1640

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