Jamb Mathematics Past Questions For Year 1988

Question 16

\(\begin{array}{c|c} Scores(x) & 0 & 1 & 2 & 3 & 4 & 5 & 6  \\ \hline Frequency(f) & 7 & 11 & 6 & 7 & 7 & 5 & 3\end{array}\)

In the distribution above, the mode and median respectively are

jamb 1988

  • A. 1,3
  • B. 1, 2
  • C. 3, 3
  • D. 0, 2
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Question 17

if x is the addition of the prime numbers between 1 and 6; and y the H.C.F. of 6, 9, 15. Find the product of x and y

jamb 1988

  • A. 27
  • B. 30
  • C. 33
  • D. 90
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Question 18

Four interior angles of a pentagon are 90°- x°, 90°+ x°, 110°- 2x°, 110°+ 2x°. Find the fifth interior angle

jamb 1988

  • A. 110°
  • B. 120°
  • C. 130°
  • D. 140°
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Question 19

For which of the following exterior angles is a regular polygon possible? i. 35° ii. 18° iii. 15°

jamb 1988

  • A. i and ii
  • B. ii only
  • C. ii and iii
  • D. iii only
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Question 20

Simplify \(\frac{1\frac{1}{2}}{2 \div \frac{1}{4} \text{of } 32}\)

jamb 1988

  • A. \(\frac{3}{256}\)
  • B. \(\frac{3}{32}\)
  • C. 6
  • D. 85
View Answer and Explanation