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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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976

Simplify \(\sqrt{160r^2 + \sqrt{71r^4 + \sqrt{100r^8}}}\)

  • A. 9r2
  • B. 12\(\sqrt{3r}\)
  • C. 13r
  • D. \(\sqrt{13r}\)
View Answer & Discuss (8) JAMB 1990
977

Simplify \(\sqrt{27}\) + \(\frac{3}{\sqrt{3}}\)

  • A. 4\(\sqrt{3}\)
  • B. \(\frac{4}{\sqrt{3}}\)
  • C. 3\(\sqrt{3}\)
  • D. \(\frac{\sqrt{3}}{4}\)
View Answer & Discuss (5) JAMB 1990
978

Simplify 3log\(_6\)9 + log\(_6\)12 + log\(_6\)64 - log\(_6\)72

  • A. 5
  • B. 7776
  • C. log631
  • D. (7776)6
View Answer & Discuss (6) JAMB 1990
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979

Simplify (\(\frac{1}{x^{-1}} \div \frac{1}{y^{-1}}\))-1

  • A. \(\frac{y}{x}\)
  • B. xy
  • C. \(\frac{x}{y}\)
  • D. (xy)-1
View Answer & Discuss (18) JAMB 1990
980
If a = 2, b = -2 and c = -\(\frac{1}{2}\), evaluate (ab2 - bc2)(a2c - abc)
  • A. 2
  • B. -28
  • C. -30
  • D. -34
View Answer & Discuss (2) JAMB 1990
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