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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 46:

The sketch is the curve of y = ax² + bx + c. Find a, b and c respectively

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A 1, 0, -4
B -2, 2, -4
C 0, 1, -4
D 2, -2, -4
E 2, -2, -4

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Question 47:

In the figure, TSP = 100° and PRQ = 20°. Find PQR.

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A 140^o
B 120^o
C 75^o
D 30^o

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Question 48:

In the figure, PQR is a semicircle while PQ and QR are chords. QS is the perpendicular from Q to the diameter PR. What is the expression for QS?

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A QS = PS\(\sqrt{SR}\)
B QS = \(\sqrt{(PS SR)}\)
C QS = 2\(\sqrt{(PS SR)}\)
D QS = \(\frac{1}{\sqrt{2}}\)\(\sqrt{(PS SR)}\)

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Question 49:

The diagram is a circle with centre O. Find the area of the shaded portion

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A 9(\(\pi - 2) cm^2\)
B 18\(\pi cm^2\)
C 9\(\pi cm^2\)
D 36\(\pi cm^2\)

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