2010 - JAMB Mathematics Past Questions and Answers - page 5
41
If (\left[\begin{array}{cc}
x & 3\
2 & 7\end{array}\right])= 15 find the value of x
A
3
B
4
C
5
D
2
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42
From the diagram above, find x
A
65o
B
50o
C
75o
D
55o
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43
From the cyclic quadrilateral TUVW above, find the value of x
A
26o
B
24o
C
20o
D
23o
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44
If two smaller sides of a right angled triangle are 4cm and 5cm, find its area
A
10 cm2
B
6 cm2
C
24 cm2
D
8 cm2
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45
An arc subtends an angle of 50o at the center of circle of radius 6cm. Calculate the area of the sector formed
A
100/7
B
80/7
C
110/7
D
90/7
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46
What is the locus of point that is equidistant from points P(1,3) and Q(3,5)?
A
y = -χ + 6
B
y = -χ - 6
C
y = χ + 6
D
y = χ - 6
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47
If the area of ΔPQR above is 12√3 cm2, find the value of q?
A
6 cm
B
7 cm
C
8 cm
D
5 cm
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48
If y = (2x + 1)3 find dy/dx
A
3(2x+1)2
B
6(2x+1)
C
3(2x+1)
D
6(2x+1)2
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49
Find ∫(sin x + 2)dx
A
cos x + x2 + K
B
cos x 2x + K
C
-cos x + x2 + K
D
-cos x + 2x + K
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50
| Marks | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| No. of students | 3 | 1 | 5 | 2 | 4 | 2 | 3 |
from the table above, if the pass mark is 5, how many students failed the test?
A
6
B
2
C
7
D
9
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