2004 - WAEC Mathematics Past Questions and Answers - page 5
41
The values of x when y = 3 are approximately
A
-4.7 and 1.4
B
-4.6 and 1.5
C
-3.6 and 0.4
D
-3.6 and 1.5
Ask EduPadi AI for a detailed answer
Share this question
42
Which of the following quadratic equations has \(-\frac{1}{2}\) and \(\frac{3}{4}\) as its roots?
A
8x2 + 11x - 3 = 0
B
8x2 -11x – 3 = 0
C
8x2 + 2x -3 = 0
D
8x2 - 2x – 3 = 0
Ask EduPadi AI for a detailed answer
Share this question
43
The locus of a point which moves in a plane such that it is equidistant from two fixed points X and Y is
A
the perpendicular bisector of the line segment X Y
B
a line parallel to the line segment XY
C
a circle with XY as diameter
D
the line perpendicular to the line segment XY
Ask EduPadi AI for a detailed answer
Share this question
44
Given that \(P\propto \frac{1}{\sqrt{r}}\) and p = 3 when r = 16, find the value of r when p =-5
A
48
B
64
C
72
D
324
Ask EduPadi AI for a detailed answer
Share this question
45
Which of the following is/are true? In a plane, the locus of points I. Equidistant from a straight line is a circle radius d where d is the distance between the point and the straight line.
II Equidistant from two given points P and Q is a circle of radius |PQ|. III Equidistant from two points is the perpendicular bisector of the line joining the two points.
II Equidistant from two given points P and Q is a circle of radius |PQ|. III Equidistant from two points is the perpendicular bisector of the line joining the two points.
A
I only
B
II only
C
III only
D
I, II and III
Ask EduPadi AI for a detailed answer
Share this question
46
The sides of two cubes are in the ratio 2:5. What is the ratio of their volumes?
A
4:5
B
8: 15
C
6:125
D
8:125
Ask EduPadi AI for a detailed answer
Share this question
47
Given that p = 2, q = -5 and r = - 4, evaluate 3p2 - q2 - r3
A
101
B
77
C
51
D
-27
Ask EduPadi AI for a detailed answer
Share this question
48
A Cooperative Society, charges an interest of 51/2% per annum on any amount borrowed by its members. If a member borrows N125,000, how much does he pay back after one year?
A
N136875
B
N131,875
C
N126750
D
N126250
Ask EduPadi AI for a detailed answer
Share this question
49
A bag contains 3 red and 2 white identical balls. lf 2 balls are picked at random from the bag, one after the other and with replacement, find the probability that they are of different colours
A
\(\frac{36}{625}\)
B
\(\frac{16}{625}\)
C
\(\frac{12}{25}\)
D
\(\frac{13}{25}\)
Ask EduPadi AI for a detailed answer
Share this question
50
A point on the ground is 5m away from the foot of a vertical wall 7 m high, Calculate, correct to the nearest degree, the angle of depression of the point from the top of the wall
A
36o
B
44o
C
46o
D
54o
Ask EduPadi AI for a detailed answer
Share this question