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876
Quantities in the proportions 1, 4, 6, 7 are to be represented in a pie chart. Calculate the angle of the sector with proportion 7
  • A. 20o
  • B. 80o
  • C. 120o
  • D. 140o
View Answer & Discuss JAMB 1993
877
The following marks were obtained by twenty students in an examination: 53, 30, 70, 84, 59, 43, 90, 20, 78, 48, 44, 60, 81, 73, 50, 37, 67, 68, 64, 52. Find the numbers of students who scored at least 50 marks
  • A. 6
  • B. 10
  • C. 13
  • D. 14
View Answer & Discuss (2) JAMB 1993
878

\(\begin{array}{c|c} Weight(s) & 0 -10 & 10 - 20 & 20 - 30 &30 - 40 & 40 - 50\\ \hline \text{Number of coconuts} & 10 & 27 & 19 & 6 & 2\end{array}\)

Weight(g) 0-10 10-20 20-30 30-40 40-50
No. of coconuts 10 27 19 6 2

Estimate the mode of the frequency distribution above

  • A. 13.2g
  • B. 15.0g
  • C. 16.8g
  • D. 17.5g
View Answer & Discuss (2) JAMB 1993
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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879
The mean of the ages of ten secondary school pupils is 16 but when the age of their teacher is added to it the men becomes 19. Find the age of the teacher
  • A. 27
  • B. 35
  • C. 38
  • D. 49
View Answer & Discuss JAMB 1993
880
\(\begin{array}{c|c} Class & Frequency\\ \hline 1 - 5 & 2\\6 - 10 & 4\\11 - 15 & 5\\16 - 20 & 2 \\ 21 - 25 & 3\\26 - 30 & 2\\31 - 35 & 1\\36 - 40 & 1 \end{array}\)
Find the median of the observation in the table given
  • A. 11.5
  • B. 12.5
  • C. 14.0
  • D. 14.5
View Answer & Discuss (1) JAMB 1993
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