19
9.
Simplify
3
12
3
12
.
.
A. 0 B.
1
/
3
C.
3
/
5
D. 1
10.
If
U
= {
x/x
is a positive integer less than 10}
and P = {
x/x
is a prime factor of 30}, find the
complement of P.
A. {1, 2, 4, 7, 8, 9}
B. {1, 2, 4, 6, 7, 8, 9}
C. {1, 4, 6, 7, 8, 9)
D. { 1, 4, 7, 8, 9}
11.
Football
Tennis
Athletics
5
7
5
9
2
3
4
The Venn diagram above shows a class of
40 students with the games they
play. How
many of the students play two games only.
A. 19 B. 16 C. 15 D. 4
12.
If m = 3, p =
-
3, q = 7 and r =
5
/
2
, evaluate m
(p +q + r).
A. 19.50 B. 19.15 C. 18.95 D. 18.05
13.
Divide 6x
2
13x + 5 by 2x
-
1
A. 3x + 5
B. 3x
5
C. 5x
3
D. 5x + 3
14.
A polynomial in x whose zeros are
2,
-
1
and 3 is
A. x
3
7x + 6
B. x
3
+ 7x
6
C. x
3
+ 7x + 6
D. x
3
7x
6
15.
The time taken to do a piece of work is
inversely proportional to the number of
men employed. If it
takes 30 men to do a
piece of work in 6 days, how many men are
required to do the work in 4 days.
A. 20 B. 35 C. 45 D. 60
16.
The weight W kg of a metal bar varies
jointly as its length L metres and the square
of its diameter
d
metres.
If W
= 140 when
d
= 4
2
/
3
and L = 54, find
d
in terms of W and L.
A.
L
W
5
42
B.
W
L
42
5
C.
L
W
5
42
D.
W
L
42
5
17.
Find the range of values of x for which
7x
3 > 25 + 3x.
A. x > 7
B. x < 7
C. x >
-
7
D. x <
-
7
18.
y
x
-2
(0, 0)
2
The diagram above is the graph of the
function f(x). Determine the range of values
of x for which f(x)
.
0.
A. x
.
2
B. 0
.
x
.
2
C.
-
2
.
x
.
0, x
.
2
D. x
.
-
2, 0
.
x
.
2
19.
If the 7th term of an AP is twice the third
term and the sum of the first four terms is
42, find the common difference.
A. 6 B. 3 C. 2 D. 1
20.
Find the sum of the first 20 terms of the
series 8, 12, 16,…, 96
A. 1400 B. 1040 C. 960
D. 920
21.
An operation * is defined on the set of real
numbers by a*b = ab + 2(a + b + 1). Find the
identity element.
A. 2 B. 1 C.
-
1 D.
-
2
22.
If M and N are two matrices defined by