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.

926.

A ship sails 6km from a port on a bearing 070° and then 8km on a bearing of 040°. Find the distance from the port.

A.

7.21km

B.

13.53km

C.

16.86km

D.

44.57km

E.

67.17km

Correct answer is B

No explanation has been provided for this answer.

927.

What is the Value of 11101\(_{two}\)+ 10011\(_{two}\) - 10001\(_{two}\)?

A.

10001\(_{two}\)

B.

10011\(_{two}\)

C.

10111\(_{two}\)

D.

11111\(_{two}\)

E.

111111\(_{two}\)

Correct answer is D

11101\(_{two}\) →      29

+ 10011\(_{two}\)  → 19

- 10001\(_{two}\)  → 17

 11111 = 31

928.

Evaluate 0.0025 × 2.5 × 102 to 2 significant figures.

A.

0.625 × 10-3

B.

0.63 × 10-2

C.

6.25 × 10-3

D.

6.3 × 10-2

E.

6.3 × 10-1

Correct answer is E

No explanation has been provided for this answer.

929.

If x + \(\frac{1}{x}\) = 8, find x2 + \(\frac{1}{x^2}\)

A.

64

B.

62

C.

32

D.

16

E.

4

Correct answer is B

No explanation has been provided for this answer.

930.

A surveyor measured the length of a obtained 42.55 metres. If his measurement was more than the actual length and the percentage error of his measurement was 8%, calculate the actual length of the land

A.

39.40 metres

B.

46.20 metres

C.

46.25 metres

D.

46.50 metres

E.

48.25 metres

Correct answer is A

No explanation has been provided for this answer.