Waec 2018 Mathematics Past Questions with Answers

Waec 2018 Mathematics Past Questions

Question 11:

WAEC 2018

If x : y : z = 3 : 3 : 4, evaluate

\frac{9 x + 3 y}{6 x - 2 y}

A. 1

\frac{1}{2}

B. 2
C. 2

\frac{1}{2}

D. 3

View Answer & Explanation

Question 12:

WAEC 2018

Simplify;

\frac{2 - 18 m^{2}}{1 + 3 m}

2 (1 + 3 m)

2 (1 + 3 m^{2})

2 (1 - 3 m)

2 (1 - 3 m^{2})

View Answer & Explanation

Question 13:

WAEC 2018

A curve is such that when y = 0, x = -2 or x = 3. Find the equation of the curve.

A. Y =

x^{2} - 5 x - 6

B. Y =

x^{2} + 5 x - 6

C. Y =

x^{2} + x - 6

D. Y =

x^{2} - x - 6

View Answer & Explanation

Question 14:

WAEC 2018

The volume of a cylindrical tank, 10m high is 385 m

^{2}

. Find the diameter of the tank. [Take

π = \frac{22}{7}

]

A. 14m
B. 10m
C. 7m
D. 5m

View Answer & Explanation

Question 15:

WAEC 2018

The surface area of a sphere is

\frac{792}{7} c m^{2}

. Find, correct to the nearest whole number, its volume. [Take

π = \frac{22}{7}

]

A. 113

c m^{3}

B. 131

c m^{3}

C. 311

c m^{3}

D. 414

c m^{3}

View Answer & Explanation

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Waec Mathematics 2018 Past Questions and Answers

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Waec 2018 Mathematics Past Questions

Question 11:

Question 12:

Question 13:

Question 14:

Question 15:

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