cameroon gce O level June 2023 mathematics 1

cameroon gce O level June 2023 mathematics 1

cameroon gce O level June 2023 mathematics 1

. Given the sets F= {football players} and
G = {girls} , the set notation for the statement “All girls play football” is
A GnF
B GuF
C GcF
D F c G
13. Inset notation, the shaded region in figure 1 is

Figure 1
A pnq
B p’nQ
C Q’uP
D pr)Q
14. Given that p: Adamu is hard working,
q: Adamu is brilliant
The compound statement
“Adamu is hard working and brilliant” is A an implication
B a conjunction
C a disjunction
D a proposition
15. For any function f, fl always maps its A image to the range
13 range to its domain
C domain to its range
D domain to its codomain
16. Given that f : xl—> 2x + 5, then f(-3) gives
A -3
B 1
C -1
D 3

17. Given that f(x) = x and g(x) = 3x 2, then the Composite function gf(x) is
A 3×2 — 2x
C
D

18. The distance from the centre of a circle to any
point on the circumference is called
A radius
B an arc
C a chord
D a diameter
19. Given that the exterior angle of a regular polygon is 30°, then its interior angle is
A 30°
B 60°
C 12°
D 150°
20. The regular solid figure represented by the net
in figure 2 is called
Figur e 2 A cube
B cuboid
C cylinder
D square
21. The constructions shown in figure 3 is such
that PQ is the perpendicular bisector of RS. The value of the angle PTS is
A 180°
B 60°
C 45°
D 900
22. In figure 4, the.value of angle p is

,Turn Over

4
23. The perimeter of a rectangle is 24 cm. Given that 29. The number of terms in the expression
its width is 5 cm, then its length is 2ax+ 3by — 1 is
A 7

A 8cm
B 7cm
C 5cm
D 4cm
22
24. Given that ir = — and the radius of a circle is
7
7cm, then the area of the circle is
A 44cm2
B 154 cm2
C 308cm2
D 22cm2
25. Given that the volume of a cube is 64cm3, then each side has length
A 4cm
B 3cm
C 8cm
D 5cm
26. On the Cartesian plane, the line y = 0 is called the A Origin
B x — axis
C Ordinate
D y-axis 4
C 2
3
30. Simplifying 25 x 2’3 gives
A 2-15
B 2-2
C 22
D
31 Simplifying 3x,— 6y -2x gives
A 6y — x
B 6y— 5x
C 5x — 6y
D x — 6y
32. Given that P WL , an expression for W in
terms of P, E and L is
PL
A
B
C
D E
E
PL
PLE
PE
L

27. Given the lines Li: y = -3x + 3 and
such that L1 is parallel to L2, the value
A 3
L2: y = mx – 2
of m is
3
B —2
C -3
1 34.
D
3

28. The x-coordinate of the mid-point M((x, y)of
the points P(0, 3) and Q(4, -3) is

A 2
B -6 C 4
D -3 35. Given that the speed, V, of a car is inversely
proportional to the time, t, then the equation relating V to t, where k is a constant is
A Vk = t
B V = kt
C v =—k
t

D Vk=-1 t

36. The number of regions in the network in figure 5 is 2`
-1/ -2
3
40. Given the vectors p = and r = , then

p – r is
—4
4
13 ()
37. The longest side in a right-angled triangle is —2)

A Opposite
B Adjacent
C Hypotenuse
D Acute

38. Given that sin A = —2 . The cosine of the
3
angle complementary to angle A is
A 2
3
B
3
C 1.0
D 1.5

39 The angle of elevation of Q from P, in figure 6 is

D 441
41. Given the vectors PQ and QR in figure 7, then PR is
Figure 7
A a + b
B a – b
C -a + b
D -a — b
42 Given the vector OM = 2i + 3j, the
direction of this vector is
A tan-‘ (-2
3
B tan-‘ (3)
2
( 3
C tan
2
D tan-15
43. The leading diagonal elements of the matrix P,
2 3
where P—fare
4 5)
A 2 and 5 13 3 and 4 C 2 and 4 13 3 and 5