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.

916.

If y + \(\frac{1}{y}\) = 9, evaluate y2 + \(\frac{1}{y^2}\)

A.

27

B.

38

C.

54

D.

63

E.

79

Correct answer is E

No explanation has been provided for this answer.

917.

Which of the following angular inequalities defines an obtuse angle?

A.

0° < x < 90°

B.

0° ≤ x > 180°

C.

90° < x < 180°

D.

90° ≤ x < 180°

E.

90° > x < 180°

Correct answer is C

No explanation has been provided for this answer.

918.

Find the coefficient of xy in the expansion of (x - 4y)(3x + 2y)

A.

14

B.

12

C.

10

D.

-10

E.

-12

Correct answer is D

No explanation has been provided for this answer.

919.

A pair of shoes was sold for N2,250.00 at a loss of 10%. What was the cost price?

A.

N750.00

B.

N2,500.00

C.

N2,538.00

D.

N3,288.00

E.

N4,038.00

Correct answer is B

No explanation has been provided for this answer.

920.

If the 3rd and the 5th terms of an A.P are 6 and 10 respectively, find the 1st term and the common difference respectively.

A.

1, 2

B.

2, 2

C.

2, 3

D.

3, 2

E.

3,3

Correct answer is B

No explanation has been provided for this answer.