Waec Mathematics Past Questions with Answers

Waec Mathematics Past Questions

Question 1791:

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 1792:

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 1793:

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 1794:

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

Question 1795:

WAEC 2018

The angles of a polygon are x, 2x, 2x, (x +

30^{o}

), (x +

20^{o}

) and (x -

10^{o}

). Find the value of x

A.

45^{o}

95^{o}

84^{o}

85^{o}

View Answer & Explanation

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Waec Mathematics Past Questions and Answers

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Waec Mathematics Past Questions

Question 1791:

Question 1792:

Question 1793:

Question 1794:

Question 1795:

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If $\frac{5}{\sqrt{2}} - \frac{\sqrt{8}}{8} = m \sqrt{2}$ , where m is a constant. Find m.