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Mathematics 1983 JAMB Past Questions

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1

If M represents the median and D the mode of the measurements 5, 9, 3, 5, 7, 5, 8 then (M, D) is

  • A. (6, 5)
  • B. (5, 8)
  • C. (5, 7)
  • D. (5, 5)
  • E. (7, 5)
View Answer & Discuss (3) JAMB 1983
2
A construction company is owned by two partners X and Y and it is agreed that their profit will be divided in the ratio 4:5. At the end of the year, Y received N5,000 more than X. What is the total profit of the company for the year?
  • A. N20, 000
  • B. N25,000
  • C. N30,000
  • D. N15,000
  • E. N45, 000
View Answer & Discuss JAMB 1983
3
Given a regular hexagon, calculate each interior angle of the hexagon
  • A. 60o
  • B. 30o
  • C. 120o
  • D. 45o
  • E. 135o
View Answer & Discuss JAMB 1983
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
4

If x is jointly proportional to the cube of y and the fourth power of z. In what ratio is x increased or decreased when y is halved and z is doubled?

  • A. 4:1 increase
  • B. 2:1 increase
  • C. 1:1 no change
  • D. 1:4 decrease
  • E. 3:4 decrease
View Answer & Discuss JAMB 1983
5
Solve the following equations 4x - 3 = 3x + y = x - y = 3, 3x + y = 2y + 5x - 12
  • A. x = 5, y = 2
  • B. x = 2, y = 5
  • C. x = 5, y = -2
  • D. x = -2, y = -5
  • E. x = -5, y = -2
View Answer & Discuss JAMB 1983
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts