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JAMB Mathematics 2015 Paper
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© africaexams.com
Question : 39
Total: 61
If an investor invest N450,000 in a certain organization in order to yield X as a return of N25,000. Find the return on an investment of N700,000 by Y in the same organization.
N14,950.50K
N25,150.30K
N15,000.00K
N38,888.90K
Validate
Solution:
[Return ÷ Investment] as a ratio ;
i.e The Ratio is Return : Investmen
[(Return1÷ Investment1 ) = (Return2÷ Investment2)]
R1 = N 25000
R2 =?
I1 = N450,000,
I1 = N 700000
(25000 ÷ 450000) = (R2 ÷ 700000)
R2 = [(25000 × 700000 ) ÷ 450000]
= N38,888.90K
∴ The return on a investment of Y = N38888.90K
© africaexams.com
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