Waec Further Mathematics 2007 Past Questions and Answers

Question 26:

• WAEC 2007

Marks	5 - 7	8 - 10	11 - 13	14 - 16	17 - 19	20 - 22
Frequency	4	7	26	41	14	8

The table above shows the marks obtained by 100 pupils in a test. Find the upper class boundary of the class containing the third quartile.

A. 13.0
B. 16.0
C. 16.5
D. 22.5

Question 27:

• WAEC 2007

Marks	5 - 7	8 - 10	11 - 13	14 - 16	17 - 19	20 - 22
Frequency	4	7	26	41	14	8

The table above shows the marks obtained by 100 pupils in a test. Find the probability that a student picked at random scored at least 14 marks.

A. 0.22
B. 0.41
C. 0.49
D. 0.63

Question 28:

• WAEC 2007

How many ways can 12 people be divided into three groups of 2, 7 and 3 in that order?

A. 7920
B. 792
C. 187
D. 42

Question 29:

• WAEC 2007

Given that \(P = \begin{pmatrix} 4 & 9 \end{pmatrix}\) and \(Q = \begin{pmatrix} -1 & -2 \\ 3 & 2 \end{pmatrix}\). Which of the following operations is possible?

A. \(QP\)
B. \(P^{2}\)
C. \(Q^{2}P\)
D. \(PQ\)

Question 30:

• WAEC 2007

Given that \(P = \begin{pmatrix} 4 & 9 \end{pmatrix}\) and \(Q = \begin{pmatrix} -1 & -2 \\ 3 & 2 \end{pmatrix}\). Evaluate \(|Q|P\).

A. \(\begin{pmatrix} 16 & 36 \end{pmatrix}\)
B. \(\begin{pmatrix} 8 & 18 \end{pmatrix}\)
C. \(\begin{pmatrix} 8 & 0 \end{pmatrix}\)
D. \(\begin{pmatrix} 1 & 2 \end{pmatrix}\)