WAEC Past Questions and Answers - Page 3759

18,791.

There are m boys and 12 girls in a class. What is the probability of selecting at random a girl from the class?

A.

\(\frac{m}{12}\)

B.

\(\frac{12}{m}\)

C.

\(\frac{12}{m+12}\)

D.

\(\frac{12}{m-12}\)

Correct answer is C

Prob. (a girl) \(=\frac{Number\hspace{1mm} of\hspace{1mm} girls}{Number \hspace{1mm} of \hspace{1mm} boys \hspace{1mm} and \hspace{1mm} girls\hspace{1mm} in \hspace{1mm} class}\\
= \frac{12}{m+12}\)

18,792.

Which of the following function of money makes it possible for any person to provide for old age?

A.

Medium of exchange

B.

Stores of value

C.

Measures of value

D.

Unit of account

E.

Standard for deferred payment

Correct answer is B

No explanation has been provided for this answer.

18,793.

A situation of full employment exist when

A.

Every adult is employed

B.

All adults who can work are employed

C.

All persons who have attained the age of 15 years and above are employed

D.

Only the disabled are not employed

E.

All those who are able and eligible to work are employed

Correct answer is E

No explanation has been provided for this answer.

18,794.

Which of the following is true of NEPA as a public corporation in Nigeria? It is

A.

A solar energy distribution

B.

Organized in a perfectly competitive market

C.

A duopoly

D.

A monopolistically competitive industry

E.

A monopoly

Correct answer is E

No explanation has been provided for this answer.

18,795.

The concept of economics efficiency primarily implies

A.

Containing the maximum output from available resources at the lowest possible cost

B.

Conserving our petroleum resources

C.

Equity in the distribution of the nation's wealth

D.

Production without waste

E.

The limited wants

Correct answer is A

No explanation has been provided for this answer.