1992 - WAEC Mathematics Past Questions and Answers - page 5
41
What is the probability of throwing a number greater than 2 with a single fair die
A
1/6
B
1/3
C
1/2
D
2/3
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42
A fair die is rolled once. What is the probability of
obtaining 4 or 6?
obtaining 4 or 6?
A
1/12
B
1/6
C
1/3
D
1/2
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43
Three balls are drawn one after the other with replacement, from a bag containing 5 red, 9white and 4 blue identical balls, What is the probability that they are one red, one white and one blue?
A
5/102
B
5/136
C
5/162
D
5/204
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44
The data below shows the number of worker?
employed in the various sections of a construction
company in Lagos.
Carpenters 24 Labourers 27
Plumbers 12 Plasterers 15
Painters 9 Messengers 3
Bricklayers 18
If one of the workers is absent on a certain day,
what is the probability that he is a bricklayer?
A
1/12
B
1/9
C
2/9
D
1/6
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45
The data below shows the number of worker?
employed in the various sections of a construction
company in Lagos.
Carpenters 24 Labourers 27
Plumbers 12 Plasterers 15
Painters 9 Messengers 3
Bricklayers 18
If a worker is retrenched, what is the probability that he is a plumber or plasterer.
A
1/27
B
1/9
C
5/36
D
1/4
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