NECO Past Questions and Answers - Page 173

861.

If total income is N15m and total consumption is N3m, then the average propensity to consume is

A.

0.2

B.

0.6

C.

0.7

D.

5

E.

10

Correct answer is A

No explanation has been provided for this answer.

862.

A satellite moves in a circular orbit of radius 4R round the earth. The acceleration of the satellite in terms of g is

A.

\(\frac{g}{16}\)

B.

\(\frac{g}{4}\)

C.

\(\frac{4}{g}\)

D.

\(\frac{16}{g}\)

Correct answer is A

\(\frac{g}{R^2}\) = \(\frac{g}{4^2}\) = \(\frac{g}{16}\)

863.

A change in National Income brought about by a given change in investment is

A.

APC

B.

APS

C.

MPC

D.

MPS

E.

The multiplier

Correct answer is E

No explanation has been provided for this answer.

864.

What happens to a water pool on a day when the humidity of the air is very low?

A.

Temperature decreases

B.

Slow evaporation

C.

Temperature increases

D.

Rapid evaporation

Correct answer is D

No explanation has been provided for this answer.

865.

A charged particle is moving in a uniform magnetic field. if the direction of motion of the charged particle is parallel to the magnetic field, the path of the charge will

A.

Be a straight line

B.

Curve inwards

C.

Be a parabola

D.

Curve outwards

Correct answer is A

No explanation has been provided for this answer.