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.

3,061.
3,062.

If P = {3, 7, 11, 13} and Q = {2, 4, 8, 16}, which of the following is correct

A.

\((P\cap Q)^l={2, 3, 4, 13}\)

B.

\(n(P\cup Q)=4\)

C.

\(P\cup Q = \emptyset\)

D.

\(P\cap Q = \emptyset\)

Correct answer is D

No explanation has been provided for this answer.

3,063.

Evaluate \(\sqrt{20}\times (\sqrt{5})^3\)

A.

10

B.

20

C.

25

D.

50

Correct answer is D

\(\sqrt{20}\times (\sqrt{5})^3\\
2\sqrt{5}\times \sqrt{5}\times \sqrt{5}\times \sqrt{5}=2\times 5\times 5 = 50\)

3,064.

Three of the angles of a hexagon are each Xo. The others are each 3Xo. Find X

A.

30o

B.

40o

C.

60o

D.

80o

E.

120o

Correct answer is C

No explanation has been provided for this answer.

3,065.