**HARD BUT CHEAP – WAEC MATHS ANSWERS 2018 | MATHS 2018 FREE EXPO RUNZ**

**HARD BUT CHEAP – WAEC MATHS ANSWERS 2018 | MATHS 2018 FREE EXPO RUNZ**

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**2018 waec mathematics questions and answers**

**2018 waec mathematics questions and answers**

**Section B [Theory]**

**Answer any four questions.**

**Write your answers on the answer booklet provided.**

3.

The diagram above shows the three lines x = 8, x + y = 21 and 2y = 12 + x which intersect at the points A, B and C.

(a) Find the coordinates of B.

(b) The region inside triangle ABC is defined by three inequalities.

One of these is x + y < 21.

Write down the other two inequalities.

(c) Find the coordinates of the point, with integer coordinates, that is inside triangle A* B*C.

**HARD BUT CHEAP – WAEC MATHS ANSWERS 2018 | MATHS 2018 FREE EXPO RUNZ**

**HARD BUT CHEAP – WAEC MATHS ANSWERS 2018 | MATHS 2018 FREE EXPO RUNZ**

1.

In the diagram above, the points A, B, C and D lie on the circle, centre O. TA and TB are tangents touching the circle at A and B respectively.

AÔB = 132°, AĈD = 59° and AOC is a straight line.

(a) Find A*T*B.

(b) Find B*D*A.

(c) Find B*D*C.

(d) Find O*B*D.

**waec 2018 mathematics answer.**

**waec 2018 mathematics answer.**

2. The diagram below is the speed–time graph of part of a train’s journey.

**waec mathematics questions 2018**

**waec mathematics questions 2018**

The train slows down uniformly from a speed of 50 m/s to a speed of 10 m/s in a time of 20 seconds.

During the next 30 seconds, it accelerates uniformly to a speed of u m/s.

(a) Calculate the deceleration from t = 0 to t = 20.

(b) Calculate the speed of the train when t = 15.

(c) Calculate the distance travelled by the train from t = 0 to t = 20.

(d) The size of the acceleration is half the size of the deceleration. Find the value of u.

**WAEC Maths Obj Questions 2018:**

1. Express as a single fraction

5/7 – 2/5.

2. The temperature in a freezer is –18 °C. The outside temperature is 24 °C. Find the difference between the outside temperature and the freezer temperature.

3. The ratio of boys to girls in a class is 4 : 5. What fraction of the class are boys?

4. The ratio of boys to girls in a school is 3 : 4. There are 120 more girls than boys. How many students are in the school?