If y = x Sin x, find \(\frac{dy}{dx}\) when x = \(\frac{\pi}{2}\)

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

The problems of unemployment, housing, traffic congestion and evironment degradation are associated with?

• A. slums
• B. urbanization
• C. industrialization
• D. political disturbances

The channel member that sells in small quantities to customers is____

• A. An agent
• B. A broker
• C. A retailer
• D. A wholesaler

Which of the following statement is TRUE of the industrial areas of West Africa?

• A. They are located mostly around the ports and along the railway lines
• B. the concentrate more on capital goods than on the manufacture of consumer goods
• C. They are located mainly around the sources of energy
• D. They are evenly distributed within each country

How many atoms are present in 6.0g of magnesium? [Mg=24,N.A=6.02x10^23mol]

• A) 1.20 x 10^22
• B) 2.4 x 10^22
• C) 1.51 x 10^22
• D) 3.02 x 10^22

The type of soil formed is affected by the following factors except

• A. farming systems
• B. climate
• C. vegetation
• D. topography

Which of the following angles is an exterior angle of a regular polygon?

• A. 95°
• B. 85°
• C. 78°
• D. 72°

(a) Find the number N such that when \(\frac{1}{3}\) of it is added to 8, the result is the same as when \(\frac{1}{2}\) of it is subtracted from 18.

(b) Using a ruler and a pair of compasses only, construct a trapezium ABCD, in which the parallel sides AB and DC are 4 cm apart. < DAB = 60°, /AB/ = 8 cm and /BC/ = 5 cm. Measure /DC/.

In a quiz competition, a student answers n questions correctly and was given D(n + 50) for each question correctly answered. If he gets D600.00 altogether, how many questions did he answer correctly?

• A. 18
• B. 15
• C. 12
• D. 10

Laws made by the legislative bodies are called

• A. judiciary review
• B. statutory laws
• C. criminal laws
• D. case law