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.

911.

If y2+ 14y + k is a perfect square, then k =

A.

4

B.

7

C.

28

D.

49

E.

196

Correct answer is D

No explanation has been provided for this answer.

912.

If 2x : ( x + 1) = 3 : 2, what is the value of x?

A.

\(\frac{1}{2}\)

B.

1

C.

1\(\frac{1}{2}\)

D.

3

E.

3\(\frac{1}{2}\)

Correct answer is D

No explanation has been provided for this answer.

913.

Two fair dice are tossed together once. What is the probability of getting a total of at least 9 from the outcome?

A.

\(\frac{1}{9}\)

B.

\(\frac{1}{6}\)

C.

\(\frac{5}{18}\)

D.

\(\frac{1}{3}\)

E.

\(\frac{13}{18}\)

Correct answer is C

No explanation has been provided for this answer.

915.

If 25a2 = 5-1 × 125. Find the value of a?

A.

a = -1

B.

a = 1

C.

a = ±1

D.

a = ±5

E.

a = 25

Correct answer is C

No explanation has been provided for this answer.