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Mathematics 1992 JAMB Past Questions

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1
Find n if 34n = 100112
  • A. 5
  • B. 6
  • C. 7
  • D. 8
View Answer & Discuss JAMB 1992
2

The radius of a circle is given as 5cm subject to an error of 0.1cm. What is the percentage error in the area of the circle?

  • A. \(\frac{1}{25}\)
  • B. \(\frac{1}{4}\)
  • C. 4
  • D. 25
View Answer & Discuss (4) JAMB 1992
3

Evaluate \(\log_{b} a^{n}\) if \(b = a^{\frac{1}{n}}\).

  • A. n2
  • B. n
  • C. \(\frac{1}{n}\)
  • D. \(\frac{1}{n^2}\)
View Answer & Discuss (1) JAMB 1992
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4
What is the value of x satisfying the equation \(\frac{4^{2x}}{4^{3x}}\) = 2?
  • A. -2
  • B. -\(\frac{1}{2}\)
  • C. \(\frac{1}{2}\)
  • D. 2
View Answer & Discuss JAMB 1992
5
Simplify \(\frac{(1.25 \times 10^{-4}) \times (2.0 \times 10^{-1})}{(6.25 \times 10^5)}\)
  • A. 4.0 x 10-3
  • B. 5.0 x 10-2
  • C. 2.0 x 10-1
  • D. 5.0 x 10-3
View Answer & Discuss (2) JAMB 1992
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