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.

1,011.

The length, breadth and height of a cuboid are 8cm, 7\(\frac{1}{2}\)cm and 6\(\frac{1}{2}\) cm respectively. What Is its volume in m3 (leave your answer in standard form)?

A.

3.9 × 10-1m3

B.

3.9 × 10-2m3

C.

3.9 × 10-3m3

D.

3.9 × 10-4m3

E.

3.9 × 10-5m3

Correct answer is D

No explanation has been provided for this answer.

1,013.

Simplify 2a2 -4ab - 6a2 - 10ab + 5ab - 5a2

A.

-9(a + b)

B.

9(a + b)

C.

-9a (a + b)

D.

9a(a - b)

E.

9b(a + b)

Correct answer is C

No explanation has been provided for this answer.

1,014.

An amount of money is shared among P,Q and R such that for every 3P gets, Q gets 2 and for every 1Q gets, R gets 4. Find P: Q : R

A.

3 : 1 : 4

B.

3 : 2 : 1

C.

3 : 2 : 4

D.

3 : 3 : 4

E.

3 : 2 : 8

Correct answer is E

P gets 3 Q gets 2, Q gets 1 and R gets R 

When Q gets 1 then P will get \(\frac{3}{2}\)

P : Q: R =   \(\frac{3}{2}\) : 1  : 4 

multiplying through by 2, we have

3 : 2:  8.

 

1,015.

Solve the equation: \(\frac{1}{3}x\) + \(\frac{2}{5}\) = \(\frac{3}{4}x\) - \(\frac{1}{6}\)

A.

\(\frac{17}{30}\)

B.

\(\frac{65}{102}\)

C.

\(\frac{25}{34}\)

D.

\(\frac{102}{75}\)

E.

\(\frac{34}{25}\)

Correct answer is E

No explanation has been provided for this answer.