HomeWAEC News

WAEC Mathematics Questions 2018 [Obj-Essay]Answers is Out

WAEC Mathematics Questions Released – See Waec Mathematics Answer 2018 for Objectives & Essay Here.

The West African Examination Council (WAEC) General Mathematics 2018 objective and theory paper will be written today Wednesday, 18th April, 2018.

The General Maths (Core) 2 (Essay) paper will start by 8:30am and will last for 2hrs 30mins while the General Mathematics/ Mathematics (Core) 1 (Objective) exam will commence 2pm and will last for 1hr 30mins.

In this post, you will be seeing the waec maths questions and answers 2018 for candidates that will participate in the examination from past questions.

Section B [Theory]
Answer any … questions.
Write your answers on the answer booklet provided.

1. A = {2, 4, 6, 8}, B = {2, 3, 7, 9} and C = {x: 3 < x < 9} are subsets of the universal-set
U = {2, 3, 4, 5, 6, 7, 8, 9}. Find
(a) A n(B’nC’);
(b) (AuB) n(BuC).

2.

waec mathematics 2018

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 ATB.

(b) Find BDA.

(c) Find BDC.

(d) Find OBD.

3. waec-mathematics-2018

4. The frequency distribution of the weight of 100 participants in a high jump competition is as
shown below:

Weight (kg)

20-29

30 – 39

40 – 49

SO – 59

60 – 69

70-79

Number of

pa rtici pa nts

10

18

22

25

16

9

(a) Construct the cumulative frequency table.
(b) Draw the cumulative frequency curve.
(c)   From the curve, estimate the:
(i)   median;
(ii) semi-interquartile range;
(iii) probability that a participant chosen at random weighs at least 60 kg.

5. Using ruler and a pair of compasses only,
(a) construct a rhombus PQRS of side 7 cm and ÐPQR = 60o;
(b) locate point X such that X lies on the locus of points equidistant from PQ and QR and also equidistant from Q and R;
(c) measure /XR/.

6. (a) The area of trapezium PQRS is 60 cm2.  PQ//RS, /PQ/  = 15 cm, /RS/ = 25 cm and ÐPSR = 30o. Calculate the :
i) Perpendicular height of PQRS;
ii) |PS|.

(b) Ade received 3/5  of a sum of money, Nelly 1/3  of the remainder while Austin took the rest. If Austin’s share is greater than Nelly’s share by N3000, how much was did Ade receive?

7. (a) P varies directly as Q and inversely as the square of R.  If P = 1 when Q = 8 and R = 2, find the value of Q when P = 3 and R = 5.
(b) An aeroplane flies from town A(20oN, 60oE) to town B(20oN, 20oE).
(i) If the journey takes 6 hours, calculate, correct to 3 significant figures, the average speed of the aeroplane.
(ii) If it then flies due north from town B to town C, 420 km away, calculate, correct to the nearest degree, the latitude of town C.
[Take radius of the earth = 6400 km and  π = 3.142]

8. Two fair dice are thrown.
M is the event described by “the sum of the scores is 10” and
N is the event described by “the difference between the scores is 3”.
(a) Write out the elements of M and N.
(b) Find the probability of M or N.
(c) Are M and N mutually exclusive? Give reasons.

9. A library received a $1,300 grant. It spends 10% of the grant on magazine subscriptions, 35% on new books, 15%  to repair damaged books, 30% to buy new furniture and 10% to train library staff.
(a) Represent this information on a pie chart.
(b) Calculate, correct to the nearest whole number, the percentage increase of the amount for buying new books over that of new furniture.

10. A sector of a circle with radius 21 cm has an area of 280 cm2.
(a) Calculate, correct to 1 decimal place, the perimeter of the sector.
(b) If the sector is bent such that its straight edges coincide to form a cone, calculate, correct to the nearest degree, the vertical angle of the cone. [Take π = 22/7 ]

11.

Section A (Objective)
Answer ALL questions in this section.
Shade your answer in the answer sheet provided.

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?

5.

NOTE: That there is nothing like Waec mathematics expo online. Do not be deceived by fraudsters posing with fake Waec answers on the internet.

Keep following, more questions and answers will be added soon.


Comments (2)

  • HI,
    I AM MIKE-BROWN, ONE OF THE TEACHERS IN ONE OF THE SCHOOLS IN AWKA ANAMBRA STATE.
    COULD YOU PLEASE TELL ME WHAT IT TAKES TO GET PAST QUESTIONS ON MATHS.,BIOLOGY, CHEMISTRY, ENGLISH, PHYSICS AND OTHERS SUBJECTS.
    THANKS
    MIKE-BROWN

    Reply
  • Good one. Please, I need the mathematics theory questions to my mailbox

    Reply

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.