Waec Mathematics 2007 Past Questions and Answers

Question 41:

• WAEC 2007

The table shows the ages(in years) of twenty children chosen at random from a community. What is the median of the distribution? \(\begin{array}{c|c} Age(years) & 1 & 2 & 3 & 4 & 5 \\ \hline {\text {Number of children}} & 2 & 3 & 5 & 6 & 4 \end{array}\)

A. 3.5 years
B. 3.0 years
C. 2.5 years
D. 2.0 years

Question 42:

• WAEC 2007

Divide the sum of 8, 6, 7, 2, 0, 4, 7, 2, 3, by their mean

A. 9
B. 8
C. 7
D. 6

Question 43:

• WAEC 2007

Q is 32 km away from P on a bearing 042^o and R is 25km from P on a bearing of 132^o. Calculate the bearing of R from Q.

A. 122^o
B. 184^o
C. 190^o
D. 226^o

Question 44:

• WAEC 2007

The bearing of a point P from another point Q is 310^o. If |PQ| = 200m, how far west of Q is P?

A. 128.6m
B. 153.2m
C. 167.8m
D. 187.9m

Question 45:

• WAEC 2007

Find the value of a if log10 a + log10a2 = 0.9030

A. 4.0
B. 2.0
C. 1.6
D. 0.0