2009 - JAMB Mathematics Past Questions and Answers - page 5

41
No. of Days123456
No. of students202x6040x50

The distribution above shows the number of days a group of 260 students were absent from school in a particular term. How many students were absent for t least four days in the term
A
180
B
120
C
110
D
40
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42
The pie chart above represents 400 fruits on display n a grocery store. How many apples are in the store
A
45
B
50
C
60
D
75
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43
The probability of a student passing any examination is 2/3. If the students takes three examination, what is the probability that he will not pass any of them
A
2/3
B
4/9
C
8/27
D
1/27
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44
5, 8, 6 and k occur with frequency 3, 2, 4, and 1 respectively an d have a mean of 5.7. Find the value of k
A
4
B
3
C
2
D
1
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45
What is the mean deviation of x, 2x, x+1 and 3x. If their mean is 2?
A
0.5
B
1.0
C
1.5
D
2.0
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46
In how many ways can a delegation of 3 be chosen from 5 men and 3 women. If at least 1 man and 1 woman must be included?
A
15
B
28
C
30
D
45
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47
In how many ways can 9 people be seated if 3 chairs are available
A
720
B
504
C
336
D
210
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48
Marks23456789
No. of students34104521

The table above shows the distribution of marks of students in a test. Find the probability of passing the test if the pas mark is 5
A
3
5
B
2
5
C
7
20
D
1
5
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49
Subtract 164189 from 186309
A
11219
B
21129
C
21139
D
22119
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50
If 55x + 52x = 7710, find x.
A
5
B
6
C
7
D
10
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