23
A. 4 B.
4
.
.
C.
4
.
.
D.
5
.
.
4.
Evaluate
..
.
..
.
..
.
..
..
.
..
.
..
.
..
correct to 3 significant
figures.
A. 6.21 B. 3.22 C. 2.78 D.
2.13
5.
A man bought a second
-
hand photocopying
machine for N34.00. He serviced it at a cost
of N2,000 and then sold it at a profit of
15%. What was the selling price.
A. #37,550
B. #40,400
C. #41,400
D. #42,400.
6.
A student spent
.
.
of his a
llowances on
books,
.
.
of the reminder on food and kept
the rest for contingencies. What fraction
was kept.
A.
.
..
B.
.
..
C.
.
.
D.
.
.
7.
Solve
5
.
(
.
.
.
)
×
5
.
.
.
=
0
.
04
A.
.
.
B.
.
.
C.
-
.
.
D.
-
.
.
8.
If log
10
2 = 0.3010 and log
10
7 = 0.8451,
evaluate log
10
280.
A. 3.4471
B. 2.4471
C. 1.4471
D. 1.4071.
9.
Simplify
.
.
v
.
.
.
v
.
.
A. 17
-
v
7
B. 4
-
v
7
C. 15 +
v
7
D. 7
-
v
7
10.
If X
=
.
.
.
+
1
:
..
.
........
.......
...
1
=
.
=
5
.
,
.
=
.
5
.
:
.
..
.
........
.......
...
1
=
.
=
5
.
find X
Y.
A.
B.
C.
D.
11.
I.
II.
III.
If
which of the above
statements are true.
A.
I
and
II
B.
I
and
III
C.
II
and
III
D.
I
,
II
and
III
.
12.
If
, express r in terms of P, s
and t.
A.
B.
C.
D.
13.
A polynomial in x whose roots are
is
A. 15x
2
11x
12
B. 15x
2
+ 11x
12
C. 12x
2
x
12
D. 12x
2
+ 11x
15
14.
1
2
-1
-2
1
4
1
Which of the following equations
represents the graph above.
A.
y = 2 + 7x + 4x
2
B.
y = 2
-
7x + 4x
2
C.
y = 2 + 7x
-
4x
2
D.
y = 2
-
7x
-
4x
2
15.
W is directly proportional to U. If W = 5,
when U = 3, find U when W =
A.
B.
C.
D.
16.
Determine the value of x for which
(x
2
1) > 0.
A.
B.
C.
D.
17.
Find the range of values of x for which
A.
B.
C.
D.
18.
The sum of the first n terms of the
arithmetic progression 5, 11, 17, 23, 29, 35,
… is
A. n(3n
0.5) B. n(3n + 2)
C. n(3n + 2.5) D.
n(3n + 5)