NECO Past Questions and Answers - Page 215

1,072.

A ball of mass m moving at velocity u collides with another ball of equal mass at rest. If the two balls move off together after the impact, calculate their common velocity.

A.

\(\frac{u}{v}\)

B.

\(\frac{mu}{2}\)

C.

u

D.

2u

E.

\(\frac{u}{m}\)

Correct answer is A

No explanation has been provided for this answer.

1,073.

A negative effect of the discovery of petroleum on the Nigerian economy is

A.

Conversion of the economy into a mono product type

B.

Development of infrastructures

C.

Encouragement of international recognition

D.

Provision of job opportunities

E.

Rapid industrialization

Correct answer is A

No explanation has been provided for this answer.

1,074.

Which of the following is NOT a problem of population census in Nigeria?

A.

Inadequate transportation

B.

High birth rate

C.

High cost

D.

Mass illiteracy

E.

Political interest

Correct answer is E

No explanation has been provided for this answer.

1,075.

The unit of satisfaction dived from the consumption of an additional unit of a commodity is known as

A.

Average utility

B.

Marginal cost

C.

Marginal product

D.

Marginal utility

E.

Total utility

Correct answer is D

No explanation has been provided for this answer.