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Mathematics 1979 JAMB Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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11
A trader goes to Ghana for y days with y cedis. For the first x days, he spends X cedis per day. The amount he has to spend per day for the rest of his stay is
  • A. \(\frac{y(y - x)}{y - x}\) cedis
  • B. \(\frac{Yy - Xx)}{y - x}\) cedis
  • C. \(\frac{Y - Xy)}{y - x}\) cedis
  • D. \(\frac{Y - X}{y - x}\) cedis
  • E. \(\frac{Y - Xx}{y - x}\) cedis
View Answer & Discuss (5) JAMB 1979
12
Multiply (3x + 5y + 4z) by (2x - 3y + z)
  • A. 6x2 + xy - 15y2 + 4z2 + 11xz - 7yz
  • B. 6x2 + 3xy - 15y2 + 4z2
  • C. 6x2 + 3xy - y2 + 4z2
  • D. 6x2 + 3xy - 15y + z2
View Answer & Discuss (2) JAMB 1979
13

A square of cardboard is taped at the perimeter by a piece of ribbon 20cm long. What is the area of the board?

  • A. 20sq.cm
  • B. 100sq.cm
  • C. 25sq.cm
  • D. 16sq.cm
  • E. 36sq.cm
View Answer & Discuss (4) JAMB 1979
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14

Rationalize the denominator of the expression \(\frac{6 + 2\sqrt{5}}{4 - 3\sqrt{6}}\)

  • A. \(\frac{12+ 4\sqrt{5 + 7} 5 + 6\sqrt{3}}{39}\)
  • B. \(\frac{-(24 + 18\sqrt{6} + 8\sqrt{5} + 6\sqrt{30})}{38}\)
  • C. \(\frac{24 + 3\sqrt{6 + 8} 5 + 6\sqrt{30}}{19}\)
  • D. \(\frac{-15 + 3\sqrt{5 + 18} 5 + 6\sqrt{30}}{36}\)
  • E. \(\frac{-(12 + 4\sqrt{5} +9\sqrt{6} + 3\sqrt{30})}{19}\)
View Answer & Discuss (8) JAMB 1979
15

Simplify \(\frac{5^x \times 25^{x - 1}}{125^{x + 1}}\)

  • A. 52x + 1
  • B. 5x + 1
  • C. 5-5
  • D. 52
  • E. 53
View Answer & Discuss (2) JAMB 1979
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