2015
Mathematics
JAMB
A man sells his new brand car for N420,000 at a gain of 15%. What did it cost him?
A.
N410,000
B.
N365, 217
C.
N157, 250
D.
N257,000
Correct Answer: N365, 217
Explanation
Cost Price: Selling price = 100 : (100 + 15) = 100 : 115 Cost Price = 100 ÷ 115 of selling price (i.e N420,000) = 100 ÷ 115 × N420,000 = N365,217.4 ∴ Cost Price = N365, 217
Cost Price: Selling price = 100 : (100 + 15) = 100 : 115 Cost Price = 100 ÷ 115 of selling price (i.e N420,000) = 100 ÷ 115 × N420,000 = N365,217.4 ∴ Cost Price = N365, 217THIS WEEK's
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