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Mathematics Past Questions

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6
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
View Answer & Discuss (37) JAMB 1999
7

What is the answer when 2434\(_6\) is divided by 42\(_6\)?

  • A. 236
  • B. 356
  • C. 526
  • D. 556
View Answer & Discuss (53) JAMB 1999
8

If 2\(_9\) x (Y3)\(_9\) = 3\(_5\) x (Y3)\(_5\), find the value of Y.

  • A. 4
  • B. 3
  • C. 2
  • D. 1
View Answer & Discuss (81) JAMB 1999
9

Simplify \(\sqrt{\frac{(0.0023 \times 750)}{(0.00345 \times 1.25)}}\)

  • A. 15
  • B. 20
  • C. 40
  • D. 75
View Answer & Discuss (27) JAMB 1999
10
If \(m*n = (\frac{m}{n} - \frac{n}{m}\)) for m, n belong to R, evaluate -3*4
  • A. \(\frac{-25}{12}\)
  • B. \(\frac{-7}{12}\)
  • C. \(\frac{7}{12}\)
  • D. \(\frac{25}{12}\)
View Answer & Discuss (24) JAMB 1999