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Mathematics 2015 JAMB Past Questions

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26

Given that A = {3, 4, 1, 10, ⅓ }

B = {4, 3,⅓, ⅓, 7}.

Find A∩B

  • A. {}
  • B. {⅓, 1, 2}
  • C. {3, 4, ⅓}
  • D. {1, 3, ⅓}
View Answer & Discuss JAMB 2015
27
Find x if 132x = 70 eight.
  • A. 5
  • B. 3
  • C. 6
  • D. 1
View Answer & Discuss (2) JAMB 2015
28

A man sells his new brand car for N420,000 at a gain of 15%. What did it cost him?

  • A. N410,000
  • B. N365, 217
  • C. N157, 250
  • D. N257,000
View Answer & Discuss (3) JAMB 2015
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29
Find the value of x if \( [ 1 ÷ 64^{(x + 2)}]= [4^{(x − 3)} ÷ 16^x ] \)
  • A. \( \frac{3}{2} \)
  • B. \( \frac{2}{3} \)
  • C. \( \frac{1}{3} \)
  • D. \( -\frac{3}{2} \)
View Answer & Discuss JAMB 2015
30
Solve x2 − 2x − 3 = 0
  • A. x = 2 or 1
  • B. x = 3 or -1
  • C. x = 1 or 0
  • D. x = 1 or 2
View Answer & Discuss JAMB 2015
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