Waec Mathematics 2011 Past Questions and Answers

Question 6:

• WAEC 2011

If a number is chosen at random from the set {x: 4 \(\leq x \leq 45\)}. Find the probability that it is a multiple of 3 or a multiple of 4

A. \(\frac{1}{12}\)
B. \(\frac{5}{12}\)
C. \(\frac{7}{2}\)
D. \(\frac{11}{12}\)

Question 7:

• WAEC 2011

One of the factors of (mn - nq - n2 + mq) is (m - n). The other factor is

A. (n - q)
B. (q - n)
C. (n + q)
D. (q - m)

Question 8:

• WAEC 2011

A cylindrical container has a base radius of 14cm and height 18cm. How many litres of liquid can it hold? correct to the nearest litre [Take \(\pi = \frac{22}{7}\)]

A. 11
B. 14
C. 16
D. 18

Question 9:

• WAEC 2011

A regular polygon of n sides has each exterior angle to 45^o. Find the value of n

A. 6
B. 8
C. 12
D. 15

Question 10:

• WAEC 2011

Esther was facing S 20° W. She turned 90° in the clock wise direction. What direction is she facing?

A. N 70^o W
B. S 70^o W
C. N 20^o W
D. S 20^o E