WAEC Past Questions and Answers - Page 4204

21,016.

The annual salary of Mr. Johnson Mohammed for 1989 was N12,000.00. He spent this on agriculture projects, education of his children, food items, saving , maintenance and miscellaneous items as shown in the pie chart

How much money did he invest in agriculture?

A.

N1,200.00

B.

N1,440.00

C.

N2,000.00

D.

N2,910.00

E.

N4,000.00

View answer & explanation

Correct answer is E

Agric project = \(\frac{120}{360} \times N12,000.00\)

= \(N4,000.00\)

21,017.

The bearing of a point X from a point Y is 074°. What is the bearing of Y from X?

A.

106^o

B.

146^o

C.

164^o

D.

254^o

E.

286^o

View answer & explanation

Correct answer is D

< YXS = 74° (alternate angles, N\(_1\) S\(_1\) // N\(_2\) S\(_2\))

N\(_2\) E\(_2\) S\(_2\) = 180°

\(\therefore\) Bearing of Y from X = 180° + 74°

= 254°

21,018.

From the top of a building 10m high, the angle of depression of a stone lying on the horizontal ground is 69^o. Calculate ,correct to one decimal place, the distance of the stone from the foot of the building

A.

3.6m

B.

3.8m

C.

6.0m

D.

9.3m

E.

26.1m

View answer & explanation

Correct answer is B

No explanation has been provided for this answer.

21,019.

If the shadow of a pole 7m high is 1/2 its length what is the angle of elevation of the sun, correct to the nearest degree?

A.

90^o

B.

63^o

C.

60^o

D.

26^o

E.

0^o

View answer & explanation

Correct answer is B

tan θ - 7/3.5 = 2
tan θ= 2.0000
θ = 63^o

21,020.

Use mathematical table to evaluate (cos40° - sin30°)

A.

-0.2660

B.

-0.0266

C.

0.0266

D.

0.2660

E.

1.5320

View answer & explanation

Correct answer is D

(cos 40° - sin 30°)

= 0.7660 - 0.5

= 0.2660

WAEC Subjects

English Language

Agricultural Science

Physical Education

Further Mathematics

Literature in English

Islamic Religious Knowledge

Christian Religious Knowledge

Office Practice

Civic Education

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