Which of the following electronic configurations correctly represents an element in period 3 of the periodic table?

• A. 1s²2s²2p²
• B. 1s²2s²2p⁶
• C. 1s²2s²2p⁶3s²3p⁴
• D. 1s²2s²2p⁶3s²3p⁶4s¹

In what ways can transportation contribute to the economic development of any one country?

A citizen is barred from active politics when employed as a

• A. university lecturer
• B. priest
• C. civil servant
• D. journalist

The pulmonary circulation involves movement of the blood to and from the

• A. brain
• B. Kidney
• C. Liver
• D. lungs

The most important function of commerce is?

• A. helping people to improve thir profits
• B. facilitaing exchanges among indiviuals and firms
• C. assisting trade through banking and insurance
• D. enhancing business relationships

(a) If sin p = \(\frac{1}{2}\) and cos q = \(\frac{1}{3}\), evaluate sin(p - q), where 0\(^o\) \(\geq\) p \(\geq\) 90\(^o\) and 90\(^o\) \(\geq\) q \(\geq\) 180\(^o\)

b) Using trapezum rule with seven ordinates, evaluate \(\int^4_1\frac{2}{\sqrt{x + 3}}\)dx

Which of the following is not a safety precaution in a nuclear station?

• A. Radioactive materials are stored in glass casings
• B. Radioactive materials are handled with remote-controlled tongs
• C. Technicians in nuclear stations wear radio-sensitive badges which are checked regularly.
• D. Radioactive materials are kept in thick-walled lead containers

Franchise owes its evolution to the

• A. development of representative government
• B. establishment of state enterprise
• C. development of the cabinet
• D. establishment of electoral commission

A disadvantages of warehousing is that it_____

• A. Encourage hoarding of goods to create scarcity
• B. Ensure the availability of goods when needed
• C. Helps to protect goods from damages
• D. Ensures availability of storage facility for goods

From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences:

She won by........because her opponent refused to play

• A. defiance
• B. defeat
• C. default
• D. defence