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.

941.

In Δ ABC, A = 60°, C = 90° and AC = 12m. Find the Length of the hypotenuse.

A.

24m

B.

14m

C.

12m

D.

7m

E.

6m

Correct answer is A

No explanation has been provided for this answer.

942.

Find the absolute mean deviation of the sample 10, 12, 14, 11, 13.

A.

14.6

B.

14

C.

12

D.

6.2

E.

1.2

Correct answer is E

No explanation has been provided for this answer.

943.

Simplify (6 - x - x2) ÷ (x2 - 4)

A.

(3 + x) ÷ (x + 2)

B.

(x - 3) ÷ (x - 2)

C.

(x - 3) ÷ (x + 3)

D.

(3 - x) ÷ (x + 2)

E.

(3 - x) ÷ (x - 2)

Correct answer is A

(6 - x - x2) = ( 2 - x ) ( 3 + x ) divides ( x^2 - 4 ) = ( -2 - x ) ( 2 - x ) = ( 3 + x ) / ( x + 2)

944.

If (x - a) is a factor of bx - ax + x2 - ab, what is the other factor?

A.

(x + b)

B.

(b - a)

C.

(x - a)

D.

(a + b)

E.

(a - b)

Correct answer is A

No explanation has been provided for this answer.

945.

Mohammed is 8 years older than Joy now. In five years’ time he will be twice as old as Joy. How old is Joy now?

A.

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

B.

3years

C.

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

D.

6 years

E.

ong>

Correct answer is B

No explanation has been provided for this answer.