### 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

## Jennifer

March 1, 2024

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## Meg-melnie

March 27, 2024

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