Waec Mathematics Past Questions For Year 1992
Question 46
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
- E. 3/4
Question 47
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
- E. 1/4
Question 48
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
- E. 5/243
