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.

3,516.

Using the above graph, if 10o < x < 60o, what is the value of x for which sin x = cos x?

A.

0o

B.

20o

C.

30o

D.

45o

E.

50o

Correct answer is D

From the graph; when sin x = cos x

x = 45o

3,517.

In the diagram above ABDE and FCDE are parallelograms. If |FC| = 12.2cm and the height |PC| = 4.0cm, calculate the area of the parallelogram ABDE.

A.

3.05cm2

B.

8.20cm2

C.

16.20cm2

D.

24.40cm2

E.

48.8cm2

Correct answer is E

Area of ABDE = b x h

12.2 x 4 = 48.8cm 2

3,518.

In the diagram above, ∠SPR = P and ∠SQR = 2x. Find x in terms of P

A.

x = p + 2

B.

x = p - 2

C.

x = p2

D.

x = p/2

E.

x = 2p

Correct answer is D

P = 2x (angle in the same segment);

x = p/2

3,519.

Instead of recording the number 1.23cm of the radius of a tube, a student recorded 1.32cm. Find the percentage of error, correct to one decimal place.

A.

6.8%

B.

7.3%

C.

9.6%

D.

14.4%

E.

15.4%

Correct answer is B

% error =
error/exact
x
100/1



=
0.09/1.23
x
100/1
= 7.3%

3,520.

The angle of elevation of X from Y is 30o. If XY = 40m, how high is X above the level of Y?

A.

10m

B.

20m

C.

20√3m

D.

40m

E.

50m

Correct answer is B

No explanation has been provided for this answer.