Waec Mathematics Past Questions and Answers

Question 756:

• WAEC 2001

A box contains 5 red, 3 green and 4 blue balls. A boy is allowed to take away two balls from the box. What is the probability that one is green and the other is blue?

A. \(\frac{2}{11}\)
B. \(\frac{5}{12}\)
C. \(\frac{8}{12}\)
D. \(\frac{7}{11}\)

Question 757:

• WAEC 2001

If the probability that an event will occur is p and the probability that it will not occur is q, which of the following is true?

A. P-q=1
B. Q-p=0
C. P+q=1
D. P+q=0

Question 758:

• WAEC 2001

What is the range of their age?

A. 14 years
B. 20 years
C. 30.5 years
D. 31 years

Question 759:

• WAEC 2001

What is the mode?

A. 22.5 years
B. 23.0 years
C. 24.0 years
D. 27.5 years

Question 760:

• WAEC 2001

How many students are there in the group?

A. 25
B. 30
C. 52
D. 55