The sum of two numbers is 5; their product is -14. Find the numbers.

• A. x = 5 or 1
• B. x = 7 or 1
• C. x = 7 or 0
• D. x = 7 or − 2

Solve for x in the equation \(5^{x} \times 5^{x + 1} = 25\).

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

Calculate the mean deviation of 5, 8, 2, 9 and 6

• A. 5
• B. 4
• C. 3
• D. 2

Given that the logarithm of a number is \(\bar{1}.8732\), find, correct to 2 significant figures the square root of the number.

• A. 0.29
• B. 0.75
• C. 0.86
• D. 0.93

In the figure below, /MX/ = 8cm, /XN/ = 12cm, /NZ/ = 4cm and ∠ XMN = ∠ XZY. Calculate /YM/

• A. 32cm
• B. 24 cm
• C. 16 cm
• D. 12 cm

The sum of the interior angles of a regular polygon with k sides is (3k-10) right angles. Find the size of the exterior angle?

• A. 60°
• B. 40°
• C. 90°
• D. 120°

A chord of a circle subtends an angle of 120° degrees at the centre of a circle of diameter 4√3 cm. Calculate the area of the major sector.

• A. 4π cm²
• B. 32 π cm²
• C. 16 π cm²
• D. 8 π cm²

It is observed that \(1 + 3 = 2^2, 1 + 3 + 5 = 3^2, 1 + 3 + 5 + 7 = 4^2. \\If \hspace{1mm}1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = P^2 find\hspace{1mm}P\)

• A. 6
• B. 7
• C. 8
• D. 9

In the diagram, O is a circle centre of the circle PQRS and ∠ PSR = 86°. If ∠ PQR = x°, find x

• A. 108°
• B. 172°
• C. 130°
• D. 50°

Find the area bounded by the curve y = 3x² - 2x + 1, the ordinates x = 1 and x = 3 and the x-axis

• A. 24
• B. 22
• C. 21
• D. 20