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A trader bought 100 oranges at 5 for N1.20, 20 oranges got spoilt and the...

Mathematics
JAMB 1999

A trader bought 100 oranges at 5 for N1.20, 20 oranges got spoilt and the remaining were sold at 4 for N1.50. Find the percentage gain or loss.

  • A. 30% gain
  • B. 25% gain
  • C. 30% loss
  • D. 25% loss
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Correct Answer: Option B
Explanation

Cost price (cp) = (100/5) x N1.20 =N24.00
Selling price (sp) = 100-20 = 80
(80/4) x N1.50 = N30.00

Gain = SP-CP = N30.00-N24.00 = N6.00
Gain% = (gain/CP) x 100 = 25%


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JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
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