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2023/2024 WAEC GCE Mathematics (ESSAY & OBJ) Questions And Answers (25th November 2023)

The West African Examinations Council GCE administers the Senior Secondary Certificate Examination and the General Certificate in Education in Nigeria during June/July and December/January respectively.For those seeking 2023 Questions and answers, you've come to the right place. The NaijaLanded Team is here to assist, providing insights into how Gce Past Questions are formulated.

(25th November 2023) 2023/2024 WAEC GCE Mathematics (ESSAY & OBJ) Questions And Answers.

Recognizing the stress students experience nearing external exams like , Neco, , Jamb, and Post Utme, we ensure that the questions we release are meticulously selected, aligning with the expectations of scholars and examiners. Our considerations before publication include:This draws the attention of exam candidates, prompting them to seek GCE Mathematics (ESSAY & OBJ) Questions And Answers for the Nov/Dec Expo in 2023. Additionally, we present the steps and requirements for acquiring Waec GCE 2023 Technical Drawing (ESSAY & OBJ) and explore what's needed to obtain Waec GCE Literature In English 2023 Questions And Answers before the exam.

Waec GCE 2023 Mathematics (ESSAY & OBJ) Questions And Answers

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WAEC GCE Expo 2023/2024WAEC GCE Mathematics (ESSAY & OBJ) 2023
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TagWAEC GCE Mathematics (ESSAY & OBJ) 2023

Waec GCE 2023 Mathematics (ESSAY & OBJ)

PAST WAEC GCE MATHEMATICS ESSAY AND OBJ ANSWERS

Section I [Objective] Answer all questions in Part I.Write your answers on the answer booklet provided.

MATHEMATICS -OBJMATHEMATICS -OBJ Answers
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11-20:BACBDCACBA
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MATHEMATICS ESSAY-ANSWERS

Question 1.

In the diagram, L.PTQ = L.PSR = 900, /PQ/ = 10 ern, /PS/ = 14.4 cm and /TQ/ = 6 cm.

Calculate the area of quadrilateral QRST.

(b) Two opposite sides of a square are each decreased by 10% while the other two are each increased by 15% to form a rectangle. Find the ratio of the area of the rectangle to that of the square.

Math GCE Observation.

We advise that students should always remember to apply the concept of similar triangles correctly.

Furthermore, students should try and recognize the quadrilateral as a trapezium, this will help in finding its area.

Part (b) Candidates were expected to show that:

/PT/ = …./102 – 62 = 8 cm. m: =!J2L i.e ~ = 14.4.Hence, /SR/ = 10.8 cm.

/TO/ /SR/ 6 /SR/

Area of quadrilateral QRST = Yz (6 + 10.8) x 6.4 = 53.76 cm2. Don't subtract the area of triangle PQT from triangle PRS.

This was also in order. In part (b) if the side of the square was y, then new breadth = 90 x y = 0.9y.

100

New length = 115 x Y = 1.15y. New area = 1.15y x 0.9y = 1.035/.

100

Hence, ratio = 1.035y² : y² = 1.035 : 1 or 207:200 .

In a class of 40 students, 18 passed Mathematics, 19 passed Accounts, 16 passed Economics, 5 passed Mathematics and Accounts only, 6 passed Mathematics only, 9 passed Accounts only, 2 Accounts and Economics only. If each student offered at least one of the subjects,
(a) How many students failed in all the subjects?
(b) Find the percentage number who failed in at least one of Economics and Mathematics.
(c) Calculate the probability that a student selected at random failed in Accounts.

Question 2.

(a) Copy and complete the table of values for the relation V = -X² + X + 2 for -3 ≤ x ≥ 3.

(b) Using scales of 2 cm to 1 unit on the x-axis and 2 cm to 2 units on the v-axis, draw a graph of the relation

y = -X² + X + 2.

(c) From the graph, find the:

(i)Minimum value of y;

(ii)Roots of the equation X² – x -2 = 0;

(iii)Gradient of the curve at x = -0.5.

3. (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]

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