2002 - JAMB Mathematics Past Questions and Answers - page 4
31
A solid hemisphere has a radius of 7 cm. Find the total surface area.
A
400 cm2
B
462 cm2
C
66 cm2
D
308 cm2
correct option: d
Users' Answers & Comments32
Find the value of a if the line 2y - ax + 4 = 0 is perpendicular to the line y + (x/4) - 7 = 0
A
-4
B
4
C
8
D
-8
correct option: c
Users' Answers & Comments33
The locus of a point P which is equidistant from two given points S and T is
A
the perpendicular bisector of ST
B
the angle bisector of PS and ST
C
a perpendicular to ST
D
a line parallel to ST
correct option: a
Users' Answers & Comments34
Find the mean of the data: 7, -3, 4, -2, 5, -9, 4, 8, -6, 12
A
3
B
4
C
1
D
2
correct option: d
Users' Answers & Comments35
The range of the data: k+2, k-3, k+4, k-2, k, k-5, k+3, k-1, and k+6 is
A
10
B
11
C
6
D
8
correct option: b
Users' Answers & Comments36
The probability of a student passing any exam is 2/3. If the student takes three exams, what is the probability that he will not pass any of them?
A
2/3
B
4/9
C
8/27
D
1/27
correct option: d
Users' Answers & Comments37
The acres for rice, pineapple, cassava, cocoa, and palm oil in a certain district are given respectively as 2, 5, 3, 11, and 9. What is the angle sector for cassava in a pie chart?
A
108°
B
180°
C
36°
D
60°
correct option: c
Users' Answers & Comments38
How many three-digit numbers can be formed from 32564 without repeating any of the digits?
A
120
B
10
C
20
D
60
correct option: d
Users' Answers & Comments39
The mean of a set of six numbers is 60. If the mean of the first five is 50, find the sixth number in the set.
A
105
B
100
C
95
D
110
correct option: d
Users' Answers & Comments40
Calculate the mean deviation of the set of numbers 7, 3, 14, 9, 7, and 8.
A
13/6
B
5/2
C
7/6
D
7/3
correct option: d
Users' Answers & Comments