20
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1
3
2
5
1
4
3
2
1
N
and
0
2
3
1
5
4
2
3
1
M
,
Evaluate 2M
–
3N.
A.
.
.
.
.
.
.
.
.
.
.
.
.
.
3
5
0
13
7
4
5
12
1
B.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
3
5
0
17
7
4
5
0
1
C.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
3
13
12
17
13
4
5
12
1
D.
.
.
.
.
.
.
.
.
.
.
.
.
.
3
13
12
13
13
4
5
12
1
23.
If P =
.
.
.
.
.
.
.
.
.
.
.
.
0
2
3
1
5
4
2
3
1
, find the determinant of
matrix P.
A. 75 B. 57 C.
–
57 D.
–
75
24.
40
0
100
0
x
In the diagram above, calculate the value of
x.
A. 60
0
B. 100
0
C. 120
0
D. 140
0
25.
85
0
52
0
G
K
E
F
L
H
O
Three straight lines
EF
,
GH
and
LK
intersect
at
O
as shown above, If
.
KOF
= 52
0
and
.
LOH
= 85
0
, calculate the size of
.
EOG
.
A. 26
0
B. 43
0
C. 52
0
D. 85
0
26.
The sum of the interior angles of a regular
polygon is 1800
0
. Calculate the size of one
exterior angle of the polygon.
A. 30
0
B. 24
0
C. 18
0
D. 12
0
27.
70
0
100
0
T
O
R
S
U
In the diagram above,
O
is the centre of the
circle,
.
UOT
= 70
0
and
.
RST
= 100
0
. Calculate
.
RUO
.
A. 20
0
B. 25
0
C. 50
0
D. 80
0
28.
A chord of a circle subtends an angle of 60
0
at the centre of a circle of radius 14cm. Find
the length of the chord.
A. 7 cm
B. 14 cm
C. 21 cm
D. 28 cm
29.
A sector of a circle has an area of 55 cm
2
. If
the radius of the circle is 10 cm, calculate
the angle of the sector.
A. 45
0
B. 63
0
C. 75
0
D. 90
0
.
.
.
.
.
.
.
7
22
.
30.
Find the curved surface
area of a cone with
circular base diameter 10 cm and height 12
cm.
A. 25
.
cm
2
B. 65
.
cm
2
C. 120
.
cm
2
D. 156
.
cm
2
31.
Two lines PQ and ST intersect at 75
0
. The
locus of points equidistant from
PQ
and
ST
lies on the
A.
perpendicular bisector of
PQ
B.
perpendicular bisector of
ST
C.
bisector of the angles between lines PQ
and ST
D.
bisector of the angles between lines PT
and QS