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JAMB Mathematics 2009 Question 5

Question 5

Commercial Arithmetic

A man bought a second-hand photocopying machine for N34 000. He serviced it at a cost of N2, 000 and then sold it at a profit of 15%. What was the selling price?

  1. A.N37, 550
  2. B.N40, 400
  3. C.N41, 400
  4. D.N42, 400
Show the answer and explanation

Answer: C (N41, 400)

Explanation

His total cost was N36,000. A 15% profit adds N5,400, so the selling price is N41,400.