2006 - JAMB Mathematics Past Questions and Answers - page 1
1
The table above shows the scores of a group of students in a physics test. If the mode is m and the number of students who scored 4 or more is n, what is (n, m)?
A
(33, 4)
B
(22, 4)
C
(33, 12)
D
(12, 4)
2
A final examination requires that a student answer any 4 out of 6 questions. In how many ways can this be done?
A
15
B
20
C
30
D
45
3
If the mean of five consecutive integers is 30, find the largest of the numbers
A
28
B
30
C
32
D
34
4
A bag contains 5 black, 4 white and x red marbles. If the probability of picking a red marble is 2/3, find the value of x
A
8
B
10
C
4
D
6
5
Find the variance of 2x, 2x-1 and 2x+1
A
2/3
B
2
C
√(2/3)
D
1
6
A
3/20
B
1/4
C
2/5
D
3/4
7
A
N 28 000
B
N 25 500
C
N15 000
D
N 12 500
9
The gradient of a curve is 2x + 7 and the curve passes through point (2, 0). find the equation of the curve.
A
y = x2 + 7x + 9
B
y = x2 + 7x - 18
C
y = x2 + 7x + 18
D
y = x2 + 14x + 11
10
Differentiate (x2 - 1/x)2 with respect to x
A
4x2 - 4x - 2/x
B
4x2 - 2 + 2/x3
C
4x2 - 2 - 2/x3
D
4x2 - 3x + 2/x
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