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Mathematics
UTME / JAMB 2018
Number and Numeration
Solution
Simplify 25\(^{(\frac{1}{2}}\) \times 8\(^{(\frac{-2}{3}}\)
A
1\(\frac{1}{4}\)
B
2\(\frac{1}{4}\)
C
6
D
10
medium Difficulty
Study Solution
Mathematics
UTME / JAMB 2018
Number and Numeration
Solution
Add 54 \(_{eight}\) and 67\(_{eight}\) giving your answers in base eight
A
111
B
121
C
123
D
143
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
Simplify: \(\sqrt{108} + \sqrt{125} - \sqrt{75}\)
A
\(\sqrt{3} + 5\sqrt{5}\)
B
\(6 \sqrt{3} - 5 \sqrt{5}\)
C
\(6 \sqrt{3} + \sqrt{2}\)
D
\(6\sqrt{3} - \sqrt{2}\)
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
Evaluate: \((64^{\frac{1}{2}} + 125^{\frac{1}{3}})^2\)
A
121
B
144
C
169
D
196
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
Find the value of x for which \(32_{four} = 22_x\)
A
three
B
five
C
six
D
seven
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
There are 250 boys and 150 girls in a school, if 60% of the boys and 40% of the girls play football, what percentage of the school play football?
A
40.0%
B
42.2%
C
50.0%
D
52.5%
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
If \(\log_{10}\)(6x - 4) - \(\log_{10}\)2 = 1, solve for x.
A
2
B
3
C
4
D
5
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
If F = \(\frac{9}{5}\)C + 32, find C when F = 98.6
A
30
B
37
C
39
D
41
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
If y + 2x = 4 and y - 3x = -1, find the value of (x + y)
A
3
B
2
C
1
D
-1
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
Simplify; \(\frac{2 - 18m^2}{1 + 3m}\)
A
\(2 (1 + 3m)\)
B
\(2 (1 + 3m^2)\)
C
\(2(1 - 3m)\)
D
\(2(1 - 3m^2)\)
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
The surface area of a sphere is \(\frac{792}{7} cm^2\). Find, correct to the nearest whole number, its volume. [Take \(\pi = \frac{22}{7}\)]
A
113\(cm^3\)
B
131\(cm^3\)
C
311\(cm^3\)
D
414\(cm^3\)
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
If M and N are the points (-3, 8) and (5, -7) respectively, find |MN|
A
8 units
B
11 units
C
15 units
D
17 units
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
The total surface area of a hemispher is 75\(\pi cm^2\). Find the radius.
A
5.0 cm
B
7.0 cm
C
8.5 cm
D
12.0 cm
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
Find the value of x for which \(\frac{x - 5}{x(x - 1)}\) is undefined.
A
0 or 5
B
-5 or 5
C
-11 or 5
D
0 or 1
medium Difficulty
Study Solution
Mathematics
WAEC / WASSCE 2018
Number and Numeration
Solution
Factorise completely the expression
\((x + 2)^2\) - \((2x + 1)^2\)
A
(3x + 2)(1 - x)
B
(3x + 2)(2x + 1)
C
3\((x + 2)^2\)
D
3(x + 1)(1 - x)
medium Difficulty
Study Solution