Mathematics 1983 JAMB Past Questions

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

A. (6, 5)
B. (5, 8)
C. (5, 7)
D. (5, 5)
E. (7, 5)

View Answer & Discuss (8) JAMB 1983

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

Given a regular hexagon, calculate each interior angle of the hexagon

A. 60^o
B. 30^o
C. 120^o
D. 45^o
E. 135^o

View Answer & Discuss JAMB 1983

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

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 (7) JAMB 1983

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Mathematics 1983 JAMB Past Questions

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