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Surface areas and Volumes of composite figures - Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Jamb Past Questions and Answers on Surface areas and Volumes of composite figures

Question 1:


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:


A hollow right prism of equilateral triangular base of side 4cm is filled with water up to a certain height. If a sphere of radius \(\frac{1}{2}\)cm is immersed in the water, then the rise of water is

A. 1cm
B. \(\sqrt{\frac{3\pi}{24}}\)
C. \(\frac{\pi}{24\sqrt{3}}\)
D. 24\(\sqrt{3}\)


Question 3:


In the figure, PS = 7cm and RY = 9cm. IF the area of parallelogram PQRS is 56cm2. Find the area of trapezium PQTS

A. 56cm2
B. 112cm2
C. 120cm2
D. 176cm2


Question 4:


In the figure, PS = RS = QS and QRS = 50°. Find QPR

A. 25O
B. 40O
C. 50O
D. 65O


Question 5:


In the figure, XR and YQ are tangents to the circle YZXP if ZXR = 45° and YZX = 55°, Find ZYQ

A. 135O
B. 125O
C. 100O
D. 90O






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