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At what rate would a sum of N100 00 deposited f... - JAMB Mathematics 1990 Question

At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50?
A
1\(\frac{1}{2}\)%
B
2\(\frac{1}{2}\)%
C
1.5%
D
25%
correct option: c

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

∴ R = (\frac{100 \times 1}{100 \times 5})

= (\frac{100 \times 7.50}{500 \times 5})

= (\frac{750}{500})

= (\frac{3}{2})

= 1.5%

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