Waec Further Mathematics Past Questions and Answers

Question 181:

• WAEC 2014

Age in years	10 - 14	15 - 19	20 - 24	25 - 29	30 - 34
Frequency	6	8	14	10	12

In which group is the upper quartile?

A. 15 - 19
B. 20 - 24
C. 25 - 29
D. 30 - 34

Question 182:

• WAEC 2014

Age in years	10 - 14	15 - 19	20 - 24	25 - 29	30 - 34
Frequency	6	8	14	10	12

Find the mean of the distribution.

A. 23.4
B. 23.6
C. 24.3
D. 24.6

Question 183:

• WAEC 2014

A box contains 5 red and k blue balls. A ball is selected at random from the box. If the probability of selecting a blue ball is \(\frac{2}{3}\), find the value of k.

A. 5
B. 6
C. 8
D. 10

Question 184:

• WAEC 2014

If \(\frac{x + P}{(x - 1)(x - 3)} = \frac{Q}{x - 1} + \frac{2}{x - 3}\), find the value of (P + Q).

A. -2
B. -1
C. Zero
D. 1

Question 185:

• WAEC 2014

Find the derivative of \(\sqrt[3]{(3x^{3} + 1}\) with respect to x.

A. \(\frac{3x}{3(3x^{3} + 1)}\)
B. \(\frac{3x^{2}}{\sqrt[3]{(3x^{3} + 1)^{2}}}\)
C. \(\frac{3x}{\sqrt[3]{3x^{2} + 1}}\)
D. \(\frac{3x^{2}}{3(3x^{2} + 1)^{2}}\)