Calculate the perimeter, in cm, of a sector of a circle of radius 8cm and angle 45o

• A. 2π
• B. 8 + 2π
• C. 16 + 2π
• D. 16 + 16π

P is a point on one side of the straight line UV and P moves in the same direction as UV. If the straight line ST is on the locus of P and angle VUS = 60°, find angle UST.

• A. 310°
• B. 130°
• C. 80°
• D. 50°

The base in which the operation was performed was

• A. 6
• B. 2
• C. 4
• D. 5

PQRT is square. If x is the midpoint of PQ, Calculate correct to the nearest degree, LPXS

• A. 53°
• B. 55°
• C. 63°
• D. 65°

The inverse function f(x) = 3x + 4 is

• A. (x-4)/3
• B. (x-5)/5
• C. (x+3)/4
• D. (x+4)/3

Express 0.085 as a percentage.

• a. 85%
• b. 850%
• c. 8.5%
• d. 0.85%

A coin is thrown 3 times. What is the probability that atleast one head is obtained?

• A. \(\frac {7}{8}\)
• B. \(\frac {3}{8}\)
• C. None the above
• D. \(\frac {1}{8}\)

Two functions g and h are defined on the set R of real numbers by \(g : x \to x^{2} - 2\) and \(h : x \to \frac{1}{x + 2}\). Find :

(a) \(h^{-1}\), the inverse of h ;

(b) \(g \circ h\), when \(x = -\frac{1}{2}\).

Divide the L.C.M of 48, 64 and 80 by their H.C.F

• A. 20
• B. 30
• C. 48
• D. 60

Simplify \((0.3\times 10^{5})\div (0.4\times 10^{7})\)leaving your answer in standard form

• A. \(7.5\times 10^{-4}\)
• B. \(7.5\times 10^{-3}\)
• C. \(7.5\times 10^{-2}\)
• D. \(7.5\times 10^{-1}\)