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.

891.

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.

892.

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.

893.

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.

894.

The ages of 10 students in a class are; 15, 16, 15.5, 17, 14.9, 14.5, 14.1, 15.1, 14.8. find the range of their ages.

A.

6.1

B.

4.8

C.

2.9

D.

2.1

E.

1.9

Correct answer is C

No explanation has been provided for this answer.

895.

2 bags of sugar at Nx per bag are mixed with 3 bags of sugar at Ny per bag. What is the cost in N of the mixture per bag?

A.

\(\frac{(2x + 3y)}{5}\)

B.

\(\frac{(x + y)}{2}\)

C.

\(\frac{x}{2} +\frac{y}{3}\)

D.

\(\frac{(x + y)}{5}\)

E.

\(\frac{(3x + 2y)}{5}\)

Correct answer is A

No explanation has been provided for this answer.