Courses » WAEC » WAEC Mathematics » Mathematics Exam Topics » 1990 - Questions and Answers

1990 - WAEC Mathematics Past Questions and Answers - page 2

11

Find the values of x for which y = 5

A
-2.5, 2.0
B
-2.6, 2.1
C
-2.0, 1.5
D
-2.0, 2.0
Ask EduPadi AI for a Detailed Answer
12

An arc of length 22cm subtends an angle of θ at the center of the circle. What is the value of θ if the radius of the circle is 15cm?[Take π = 22/7]

A
70o
B
84o
C
96o
D
156o
Ask EduPadi AI for a Detailed Answer
13

Find the sum of the first five terms of the G.P 2,6, 18 ....

A
484
B
243
C
242
D
130
Ask EduPadi AI for a Detailed Answer
14

Let J be the set of positive integers, If H = {x: x∈J, x\(^2\) < 3 and x ≠ 0}, then

A
H = {1}
B
H is an infinite set
C
H = {0, 1, 2}
D
H = {}
Ask EduPadi AI for a Detailed Answer
15

In a class of 80 students, every students had to study economics or geography, or both economics and geography, if 65 students studied economics and 50 studied geography, how many studied both subjects?

A
15
B
30
C
35
D
45
Ask EduPadi AI for a Detailed Answer
16

The area shaded with horizontal lines is the solution set of the inequalities;

A
y ≥ x, y + 3 ≥ 2x, x ≤ 3
B
y ≤ x, y + 2x ≥ -3, x ≤ 3
C
y ≤ -x, y + 2x ≤ 3, x ≥ -3
D
y ≥ -x, y + 3 ≤ 2x, x ≥ -3
Ask EduPadi AI for a Detailed Answer
17

the area shaded with vertical lines is the solution set of the inequalities;

A
y ≤ x, y + 2x ≤ -3
B
y ≥ x, y + 2x ≥ - 3
C
y ≤ x, y < 2x - 3, x ≤ 3
D
y ≤ -x, y ≤ 2x - 3, x ≤ 3
Ask EduPadi AI for a Detailed Answer
18

In the diagram above, O is the center of the circle with radius 10cm, and ∠ABC = 30°. Calculate, correct to 1 decimal place, the length of arc AC [Take π = 22/7]

A
5.2cm
B
10.5cm
C
13.2cm
D
20.6cm
Ask EduPadi AI for a Detailed Answer
19

Factorize x\(^2\) + 4x - 192

A
(x-4) (x+48)
B
(x-48) (x+4)
C
(x-12) (x+16)
D
(x-12) (x-16)
Ask EduPadi AI for a Detailed Answer
20

Factorize 2e\(^2\) - 3e + 1

A
(2e-1) (e-1)
B
(e+1) (2e+1)
C
(2e+3) (e+2)
D
(2e-3) (e-1)
Ask EduPadi AI for a Detailed Answer
Please share this, thanks:

Study with EduPadi CBT App?

Courses

SS1SS2SS3JAMBWAECJSS1JSS2JSS3

Featured Posts

137 Best Happy New Week Wishes, Messages & PrayersJAMB Past Questions & Answers PDF (FREE downloads, all subjects)127 Heartfelt Good Morning Love Messages for Her to Brighten Her DayThe Life Changer 130 Possible Questions And Answers10 Reasons Doctors Are Better Than Teachers - Argumentative EssayBest Commercial Courses To Study In Nigeria (Highest Paid)SS1 Physics Scheme of Work (1st, 2nd, 3rd term)Reasons Teachers Are Better Than Doctors - ArgumentativeFree JAMB CBT Practice with Past Questions With Answers – Study OnlineJAMB 2025 WhatsApp Group Chat For Candidates (Join Now)