WAEC Past Questions and Answers - Page 2827

14,131.

Citizens are protected from the government's arbitrariness in taxation by the canon of

A.

Elasticity

B.

Flexibility

C.

Economy

D.

Certainty

Correct answer is C

The canon of economy: implies that the cost of collecting a tax should be as minimum as possible. This is what protects citizens from being overly charged by a government.

 

14,132.

An increase in the prices of factor inputs may result in

A.

Demand-pull inflation

B.

Stagflation

C.

Open inflation

D.

Cost-push inflation

Correct answer is D

Cost-push inflation occurs when overall prices increase (inflation) as a result of increases in the cost of wages and raw materials.

14,133.

The motive for holding money to meet unforeseen events is termed

A.

Precautionary demand

B.

Transactions demand

C.

Liquidity demand

D.

Speculative demand

Correct answer is A

The precautionary demand for money is the act of holding money to cater to unforeseen circumstances.

14,134.

Factorize \( x^2 − 2x − 15 \)

A.

(x + 3)2

B.

(x + 5)(x − 3)

C.

(x − 5)2

D.

(x − 5)(x + 3)

Correct answer is D

x2 − 2x − 15

(x2 − 5x) + (3x − 15)

x(x − 5)+ 3(x − 5)

(x − 5)(x + 3)

14,135.

Given that A = {1, 5, 7} B = {3, 9, 12, 15} C = {2, 4, 6, 8} Find (A ∪ B) ∪ C

A.

{1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}

B.

{1, 2, 3, 5, 6, 8, 12, 15}

C.

{2, 4, 5, 9, 12, 15}

D.

{1, 5, 6, 7, 8, 9, 12, 15}

Correct answer is A

{A ∪ B ∪ C}

{A ∪ B} = {1, 3, 5, 7, 9, 12, 15}

∪ C={2,4,6,8}

{A ∪ B} ∪ C = {1, 3, 5, 7, 9, 12, 15} ∪ {2, 4, 6, 8}

= {1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}

{A ∪ B} ∪ C = {1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}