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Friday, 06 November 2026
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Mathematics Past Questions and Answers

Jamb 1983 Mathematics Questions

Question 36:
Find the mean of the following 24.57, 25.63, 24.32, 26.01, 25.77
  • A 25.12
  • B 25.30
  • C 25.26
  • D 25.50
  • E 25.75
View Answer & Explanation
Question 37:
A man drove for 4 hours at a certain speed, he then doubled his speed and drove for another 3 hours. Although he covered 600 kilometers. At what speed did he drive for the last 3 hours?
  • A 120km/hr
  • B 60km/hr
  • C 670km/hr
  • D 40km/hr
View Answer & Explanation
Question 38:
In a class of 60 pupils, the statistical distribution of the numbers of pupils offering Biology, History, French, Geography and Additional mathematics is as shown in the pie chart. How many pupils offer Additional Mathematics?
  • A 15
  • B 10
  • C 18
  • D 12
  • E 20
View Answer & Explanation
Question 39:
In the figure, find PRQ
  • A 66\(\frac{1}{2}\)<sup style='font-size: smaller;'>o</sup>
  • B 62\(\frac{1}{2}\)<sup style='font-size: smaller;'>o</sup>
  • C 125<sup style='font-size: smaller;'>o</sup>
  • D 105<sup style='font-size: smaller;'>o</sup>
  • E 65<sup style='font-size: smaller;'>o</sup>
View Answer & Explanation
Question 40:
Which of the following equations represents the graph?
  • A Y = 1 + 2x + 3x<sup style='font-size: smaller;'>2</sup>
  • B Y = 1 - 2x + 3x<sup style='font-size: smaller;'>2</sup>
  • C Y = 1 + 2x - 3x<sup style='font-size: smaller;'>2</sup>
  • D Y = 1 - 2x - 3x<sup style='font-size: smaller;'>2</sup>
  • E Y = 3x<sup style='font-size: smaller;'>2</sup> + 2x - 1
View Answer & Explanation