Processing math: 100%

NECO Mathematics Past Questions & Answers - Page 11

51.

If log 3 = 0.4771 and log 2 = 0.3010, what is the value of log 12?

A.

0.0432

B.

0.4322

C.

1.0791

D.

1.2552

E.

1.5225

Correct answer is C

No explanation has been provided for this answer.

52.

If a = {x : 1 < x < 9} ; b = {x : 0 < x < 9} ; C = {x : 2 x < 9} and a, b, c U, what are the elements in U?

A.

U = {-1 < x < 9}

B.

U = {0 < x < 9}

C.

U = {1 < x < 9}

D.

U = {1 < x < 10}

E.

{2 < x < 10}

Correct answer is C

No explanation has been provided for this answer.

54.

Calculate without using tables Tan 45° + Cos 60°

A.

32 - 1

B.

12

C.

112

D.

32 + 1

E.

2

Correct answer is C

No explanation has been provided for this answer.

55.

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.