The two major air masses affecting the climate of West Africa are the

• A. Harmattan wind and the southwest monsoon
• B. Southwest monsoon and the tropical maritime
• C. Tropical continenal and the tropical maritime
• D. Warm equatorial and the tropical maritime

In a parliamentary system,the functions of the head of state and the head of government are vested in

• A. the inner cabinet
• B. an individual
• C. two different individuals
• D. the ministerial council

The amount of air and water in the soil is mostly affected by the

• A. location of the soil
• B. amount of annual rainfall
• C. chemical compostion of the soil
• D. structure of the soil

Complete each of the following sentences by choosing the option that most suitably fills the space; Remember this matter is strictly .....

• A. between you and i
• B. among you and me
• C. among you and me
• D. between you and me

The major determinant of fire insurance premium is the?

• A. type and structure of the property to be insured
• B. usefulness of the property to the owner
• C. owner of the property to be insured
• D. extent of fire damage anticipated

The nearest part of the ocean basin to the continent is called

• A. deep sea plain
• B. continental slope
• C. continental shelf
• D. abyssal plain

A pipe closed at one end is 1.0m long. The air in the pipe is set into vibration and a fundamental note of frequency 85Hz is produced. Calculate the velocity of sound in the air. (Neglect end correction).

• A. 340.0ms^-1
• B. 33Oms^-1
• C. 170ms^-1
• D. 85.0ms^-1

The following are former Presidents of Federal Republic of Nigeria except

• (a)Tafawa Balewa
• (b) Nnamdi Azikwe
• (c) Shehu Shagari
• (d) Olusegun Obasanjo

(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 \(\frac{2}{3} \cos x + \sin x = \frac{5}{6}\).

When shares are fully paid they can be converted into?

• A. bonds
• B. debentures
• C. stocks
• D. treasury bills