Which set of numbers is the odd one out?

• A. 9854
• B. 7621
• C. 6521
• D. 8743

Find the coefficient of m in the expression of (\(\frac{m}{2} - 1 \frac{1}{2}\)) (m + \(\frac{2}{3}\))

• A. -\(\frac{1}{6}\)
• B. - \(\frac{1}{2}\)
• C. -1
• D. -1\(\frac{1}{6}\)

Solve the equation: \(y - 11\sqrt{y} + 24 = 0\)

• A. 8, 3
• B. 64, 9
• C. 6, 4
• D. 9, -8

The table shows the distribution of ages of 22 students in a school.

Using an assumed mean of 19, calculate, correct to three significant figures, the :

(a) mean age ; (b) standard deviation ; of the distribution.

The sum to infinity of a geometric progression is −1/10 and the first term is −1/8. Find the common ratio of the progression.

• A. −1/5
• B. −1/4
• C. −1/3
• D. −1/2

(a) Copy and complete the table for the relation: \(y = 2\cos x + 3\sin x\) for \(0° \leq x \leq 360°\).

(b) Using a scale of 2 cm to 60° on the x- axis and 2 cm to one unit on the y- axis, draw the graph of \(y = 2\cos x + 3\sin x\) for \(0° \leq x \leq 360°\).

(c) From the graph, find the : (i) maximum value of y, correct to two decimal places ; (ii) solution of the equation \(\frac{2}{3} \cos x + \sin x = \frac{5}{6}\).

PQRS is a trapezium. QR//PS, /PQ/ = 5cm, /OR/ = 6cm, /PS/ = 10cm and angle QPS = 42°. Calculate, correct to the nearest cm², the area of the trapezium (h = 3.35cm²)

• A. 27cm²
• B. 30cm²
• C. 36cm²
• D. 37cm²

Evaluate \(\frac{(0.14^2 \times 0.275)}{7(0.02)}\) to 3 decimal places.

• A. 0.039
• B. 0.385
• C. 0.033
• D. 0.038

Make S the subject of the relation

p = s + \(\frac{sm^2}{nr}\)

• A. s = \(\frac{nrp}{nr + m^2}\)
• B. s = nr + \(\frac{m^2}{mrp}\)
• C. s = \(\frac{nrp}{mr}\) + m²
• D. s = \(\frac{nrp}{nr}\) + m²

The radius of a sphere is 3 cm. Find, in terms of π, its volume.

• A. \(30\pi cm^3\)
• B. \(108\pi cm^3\)
• C. \(27\pi cm^3\)
• D. \(36\pi cm^3\)