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.

962.

Find the value of 2a - b if a + b = 8 and 4a - b = 22

A.

2

B.

4

C.

6

D.

8

E.

10

Correct answer is E

No explanation has been provided for this answer.

963.

What is the positive difference between the squares of 2.5 and 2.1 to 1 significant figures?

A.

– 2.0

B.

– 184

C.

-1.84

D.

2

E.

18.4

Correct answer is D

No explanation has been provided for this answer.

964.

If A(I,2,3,...,10) ; B = (-5,-4,.....,-1) ; C = (-1, 0, 1, 2,....5) List all the elements in (B ∪ C) ∩ A

A.

(-1,2,...5)

B.

(-1,1,....5)

C.

(1,2,..5)

D.

(2,3,...10)

E.

(1,2,...10)

Correct answer is C

No explanation has been provided for this answer.

965.

A car dealer sells a car and makes a profit of 15%. If the car costs N320,000.00, how much did he sell the car?

A.

N272,000.00

B.

N296,000.00

C.

N300,000.00

D.

N368,000.00

E.

N400,000.00

Correct answer is D

No explanation has been provided for this answer.