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.

961.

Four pupils have an average age of 12years and two other pupils of average age of 10.5years are added. What is the average age of the six pupils?

A.

10.5yrs.

B.

11yrs.

C.

11.5 yrs.

D.

12yrs.

E.

12.5yrs.

Correct answer is C

No explanation has been provided for this answer.

962.

The bearing of Y from X is 085º. What is the bearing of X from Y?

A.

005°

B.

095°

C.

185°

D.

265°

E.

275°

Correct answer is D

The bearing of Y from X is 085º lies within 90º

The bearing of X from Y lies within 270º

: 180º + 85º = 265º

963.

The roots of a quadratic equation in x, are -m and 2n. Fine equation.

A.

x2 - x(2n-m) – 2mn = 0

B.

x2 + x(2n - m) - 2mn = 0

C.

x2 + x(m - 2n) + 2mn = 0

D.

X2 + x (m + 2n ) + 2mn = 0

E.

x2 - x (m - 2n) - 2mn = 0

Correct answer is A

No explanation has been provided for this answer.

964.

Evaluate (Log13 - log5) ÷ X(log5-log13) without using tables

A.

X

B.

–x

C.

X-1

D.

–X-1

E.

-1

Correct answer is D

No explanation has been provided for this answer.

965.

A sales boy gave a change of N75.00 to a buyer instead of N80.00, calculate his percentage error, correct to one decimal place?

A.

6.00%

B.

6.20%

C.

6.30%

D.

6.60%

E.

6.70%

Correct answer is C

No explanation has been provided for this answer.