Construction - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 1979

The mean of the numbers 1.2, 1.0, 0.9, 1.4, 0.8, 0.8, 1.2 and 1.1 is

A. 1.5
B. 0.8
C. 1.0
D. 1.02
E. 1.05

Question 2:

• JAMB 2018

In the figure below, /MX/ = 8cm, /XN/ = 12cm, /NZ/ = 4cm and ∠ XMN = ∠ XZY. Calculate /YM/



A. 32cm
B. 24 cm
C. 16 cm
D. 12 cm

Question 3:

• JAMB 1979

In this figure, PQRS is a parallelogram, PS = PT and < PST = 55\(^o\). The size of <PQR is

A. 125^o
B. 120^o
C. 115^o
D. 110^o
E. 10^o

Question 4:

• JAMB 1979

If O is the centre of the circle, < POS equls

A. 70^o
B. 75^o
C. 105^o
D. 140^o
E. 150^o

Question 5:

• JAMB 1980

fG is a given straight line and H is a fixed point. The construction marks shown in the diagram indicate the

A. Perpendicular bisector of the line
B. Perpendicular bisector of th eline JK
C. Perpendicular bisector of the line HI
D. Perpendicular from H to the line FG