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Mathematics WAEC / WASSCE 1998 Mensuration (Areas, Perimeters & Volumes)
The length of an arc of a circle of radius 5cm is 4cm. Find the area of the sector
A
\(1\frac{3}{5}cm^2\)
B
2cm2
C
8cm2
D
10cm2
E
20cm2
medium Difficulty
Mathematics WAEC / WASSCE 1998 Fractions, Decimals, Percentages & Approximations
The pie chart above shows the distribution of how students travelled to a certain school on a particular day. Use this information to answer the question below What percentage, to the nearest whole number, of the students travelled to school on foot?
Attached Figure / Diagram
Question diagram
A
24%
B
23%
C
20%
D
15%
E
14%
medium Difficulty
Mathematics WAEC / WASSCE 1998 Plane Geometry, Polygons & Circle Theorems
The diagram above is a rectangle. If the perimeter is 36m, find the area of the rectangle
Attached Figure / Diagram
Question diagram
A
\(64m^2\)
B
\(65m^2\)
C
\(84m^2\)
D
\(124m^2\)
E
\(275m^2\)
medium Difficulty
Mathematics WAEC / WASSCE 1998 Plane Geometry, Polygons & Circle Theorems
In \(\triangle PQR\). T is a point on QR such that \(\angle QPT = 39^o and \angle PTR = 83^o. Calculate \angle PQT\)
A
\(34^o\)
B
\(44^o\)
C
\(45^o\)
D
\(97^o\)
E
\(107^o\)
medium Difficulty
Mathematics WAEC / WASSCE 1998 Plane Geometry, Polygons & Circle Theorems
Find the value of x in the diagram above
Attached Figure / Diagram
Question diagram
A
8.0cm
B
6.8cm
C
6.6cm
D
6.5cm
E
5.6cm
medium Difficulty
Mathematics WAEC / WASSCE 1998 Plane Geometry, Polygons & Circle Theorems
Find the angle x in the diagram above
Attached Figure / Diagram
Question diagram
A
310o
B
230o
C
190o
D
130o
E
100o
medium Difficulty
Mathematics WAEC / WASSCE 1998 Mensuration (Areas, Perimeters & Volumes)
Find the curved surface area of a cone of radius 3cm and slant height 7cm (\(take \pi = \frac{22}{7}\)
A
\(22cm^2\)
B
\(44cm^2\)
C
\(66cm^2\)
D
\(132cm^2\)
E
\(198cm^2\)
medium Difficulty
Mathematics WAEC / WASSCE 1998 Plane Geometry, Polygons & Circle Theorems
In the diagram above, |PQ| = |PR| = |RS| and ∠RSP = 35^\circ. Find ∠QPR
Attached Figure / Diagram
Question diagram
A
70o
B
50o
C
45o
D
40o
E
35o
medium Difficulty
Mathematics WAEC / WASSCE 1998 Variations
P varies inversely as Q. The table above shows the value of Q for some selected values of P What is the missing value of Q in the table?
Attached Figure / Diagram
Question diagram
A
4
B
9
C
15
D
16
E
144
medium Difficulty
Mathematics WAEC / WASSCE 1998 Plane Geometry, Polygons & Circle Theorems
Three of the angles of a hexagon are each Xo. The others are each 3Xo. Find X
A
30o
B
40o
C
60o
D
80o
E
120o
medium Difficulty
Mathematics WAEC / WASSCE 1998 Indices, Logarithms & Surds
Evaluate \(\sqrt{20}\times (\sqrt{5})^3\)
A
10
B
20
C
25
D
50
medium Difficulty
Mathematics WAEC / WASSCE 1998 Sets, Logic & Venn Diagrams
If P = {3, 7, 11, 13} and Q = {2, 4, 8, 16}, which of the following is correct
A
\((P\cap Q)^l={2, 3, 4, 13}\)
B
\(n(P\cup Q)=4\)
C
\(P\cup Q = \emptyset\)
D
\(P\cap Q = \emptyset\)
medium Difficulty
Mathematics WAEC / WASSCE 1998 Indices, Logarithms & Surds
It is observed that \(1 + 3 = 2^2, 1 + 3 + 5 = 3^2, 1 + 3 + 5 + 7 = 4^2\). If 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = P\(^2\) find P
A
6
B
7
C
8
D
9
medium Difficulty
Mathematics WAEC / WASSCE 1998 Indices, Logarithms & Surds
Evaluate \(3.0\times 10^1 - 2.8\times 10^{-1}\)leaving the answer in standard form
A
\(2\times 10^{-1}\)
B
\(2\times 10^{2}\)
C
\(2.972 \times 10^{1}\)
D
\(2.972 \times 10^{2}\)
medium Difficulty
Mathematics WAEC / WASSCE 1998 Fractions, Decimals, Percentages & Approximations
A trader makes a loss of 15% when selling an article. Find the ratio, selling price : cost price
A
3:20
B
3:17
C
17:20
D
20:23
medium Difficulty
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