\(\begin{array}{c|c}

Class Interval & 3 - 5 & 6 - 8 & 9 - 11 \\ \hline Frequency & 2 & 2 & 2 \end{array}\). Find the standard deviation of the above distribution

• A. √5
• B. √6
• C. √7
• D. √2

The type of government where the central authority is superior to the component authorities is a

• A. parliamentary system of government
• B. representative system of government
• C. confederal system of government
• D. federal system of government

The upper quartile of the distribution is

• A. 30
• B. 27.5
• C. 25
• D. 17.75

(a) A boy had M Dalasis (D). He spent D15 and shared the remainder equally with his sister. If the sister's share was equal to \(\frac{1}{3}\) of M, find the value of M.

(b) A number of tourists were interviewed on their choice of means of travel. Two- thirds said that they travelled by road, \(\frac{13}{30}\) by air and \(\frac{4}{15}\) by both air and road. If 20 tourists did not travel by either air or road ; (i) represent the information on a Venn diagram ; (ii) how many tourists (1) were interviewed ; (2) travelled by air only?

The amount of heat needed to raise the temperature of 10kg of Copper by 1K is its

• A. specific heat capacity
• B. latent heat
• C. heat capacity
• D. internal energy

The diagram below shows a plank RS pivoted its center of gravity O and is in equilibrium with the weight P and Q. If a weight 2P is added to P the plank will be in equilibrium again by

• A) moving Q nearer to O
• B) moving P nearer to O
• C) addding a weight Q to Q
• D) moving P further away from O

Governments impose import duties for the following reasons EXCEPT

• A. to raise revenue for other services
• B. to act as a retaliatory measure against other governments
• C. to discourage the redistribution of income at home
• D. to protect home industries from external competition

Which of the following is inflationary?

• A. An increase in taxation
• B. An increase in savings
• C. A decrease in money supply
• D. An increase in government expenditure

The altar that Gideon built under the oak at Ophrah was called

• A. The LORD is great
• B. The LORD is peace
• C. The LORD is present
• D. The LORD is strength

Choose the option opposite in meaning to the word or phrase underlined.Curiously, he escape unhurt?

• A. interestingly
• B. unsurprisingly
• C. annoyingly
• D. unusually