Mathematics questions and answers

Mathematics Questions and Answers

How good are you with figures and formulas? Find out with these Mathematics past questions and answers. This Test is useful for both job aptitude test candidates and students preparing for JAMB, WAEC, NECO or Post UTME.

2,998.

In the diagram, AB is a vertical pole and BC is horizontal. If |AC| = 10m and |BC| = 5m, calculate the angle of depression of C from A

A.

63o

B.

60o

C.

45o

D.

27o

Correct answer is B

In triangle ABC, \(\frac{BC}{AC} = \cos \theta\)

\(\implies \cos \theta = \frac{5}{10} = 0.5\)

\(\theta = \cos^{-1} (0.5) = 60°\)

2,999.

Which of the following bearings is equivalent to S50°W?

A.

040o

B.

130o

C.

220o

D.

230o

Correct answer is D

p>S50°W = 180° + 50°

= 230°

2,000.

A tree is 8km due south of a building. Kofi is standing 8km west of the tree. Find the bearing of Kofi from the building

A.

315o

B.

270o

C.

225o

D.

135o

Correct answer is C

The bearing of Kofi from the building = 180° + 45°

= 225°