Find the angle x in the diagram above

A. 310^o

B. 230^o

C. 190^o

D. 130^o

E. 100^o

The diagonal and one side of a square are x and y units respectively. Find an expression for y in terms of x

A. \(y=\frac{x}{2}\)

B. \(y\frac{x}{\sqrt{2}}\)

C. \(y=\sqrt{x}\)

D. \(y=\sqrt{\frac{x}{2}}\)

Find the curved surface area of a cone of radius 3cm and slant height 7cm (\(take \pi = \frac{22}{7}\)

A. \(22cm^2\)

B. \(44cm^2\)

C. \(66cm^2\)

D. \(132cm^2\)

E. \(198cm^2\)

In the diagram above, |PQ| = |PR| = |RS| and ∠RSP = 35^o. Find ∠QPR

A. 70^o

B. 50^o

C. 45^o

D. 40^o

E. 35^o

P varies inversely as Q. The table above shows the value of Q for some selected values of P
What is the missing value of Q in the table?

A. 4

B. 9

C. 15

D. 16

E. 144

Three of the angles of a hexagon are each X^o. The others are each 3X^o. Find X

A. 30^o

B. 40^o

C. 60^o

D. 80^o

E. 120^o

Evaluate \(\sqrt{20}\times (\sqrt{5})^3\)

A. 10

B. 20

C. 25

D. 50

If P = {3, 7, 11, 13} and Q = {2, 4, 8, 16}, which of the following is correct

A. \((P\cap Q)^l={2, 3, 4, 13}\)

B. \(n(P\cup Q)=4\)

C. \(P\cup Q = \emptyset\)

D. \(P\cap Q = \emptyset\)

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

Evaluate \(3.0\times 10^1 - 2.8\times 10^{-1}\)leaving the answer in standard form

A. \(2\times 10^{-1}\)

B. \(2\times 10^{2}\)

C. \(2.972 \times 10^{1}\)

D. \(2.972 \times 10^{2}\)