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Mathematics WAEC / WASSCE 2006 Algebraic Expressions, Polynomials & Factorisation
Given that y = 1 - \(\frac{2x}{4x - 3}\), find the value of x for which y is undefined
A
3
B
\(\frac{3}{4}\)
C
\(\frac{-3}{4}\)
D
-3
medium Difficulty
Mathematics WAEC / WASSCE 2006 Plane Geometry, Polygons & Circle Theorems
P is a point on the same plane with a fixed point A. If P moves such that it is always equidistant from A, the locus of P is
A
a straight line joining A and P
B
the perpendicular bisector of AP
C
a circle with centre A
D
the triangle with centre P
medium Difficulty
Mathematics WAEC / WASSCE 2006 Permutations, Combinations & Probability
A fair coin is tossed three times. Find the probability of getting two heads and one tail.
A
\(\frac{1}{2}\)
B
\(\frac{3}{8}\)
C
\(\frac{1}{4}\)
D
\(\frac{1}{8}\)
medium Difficulty
Mathematics WAEC / WASSCE 2006 Fractions, Decimals, Percentages & Approximations
If 30% of y is equal to x, what in terms of x, is 30% of 3y?
A
\(\frac{x}{9}\)
B
\(\frac{x}{3}\)
C
x
D
3x
medium Difficulty
Mathematics WAEC / WASSCE 2006 Fractions, Decimals, Percentages & Approximations
A baker used 40% of a 50kg bag of flour. If \(\frac{1}{8}\) of the amount used was for the cake, how many kilogram of flour was used for the cake?
A
2\(\frac{1}{2}\)
B
6\(\frac{1}{2}\)
C
15\(\frac{3}{8}\)
D
17\(\frac{1}{2}\)
medium Difficulty
Mathematics WAEC / WASSCE 2006 Trigonometry, Elevation & Bearings
If tan y = 0.404, where y is acute, find cos 2y
A
0.035
B
0.719
C
0.808
D
0.927
medium Difficulty
Mathematics WAEC / WASSCE 2006 Fractions, Decimals, Percentages & Approximations
The ratio of boys to girls in a class is 5:3. Find the probability of selecting at random, a girl from the class
A
\(\frac{1}{8}\)
B
\(\frac{1}{3}\)
C
\(\frac{3}{8}\)
D
\(\frac{3}{5}\)
medium Difficulty
Mathematics WAEC / WASSCE 2006 Indices, Logarithms & Surds
\(\begin{array}{c|c} x & 1 & 4 & p \\ \hline y & 0.5 & 1 & 2.5\end{array}\). The table above satisfies the relation y = k\(\sqrt{x}\), where k is a positive constant. Find the value of K.
A
0.5
B
1
C
1.5
D
2
medium Difficulty
Mathematics WAEC / WASSCE 2006 Indices, Logarithms & Surds
\(\begin{array}{c|c} x & 1 & 4 & p \\ \hline y & 0.5 & 1 & 2.5\end{array}\). The table below satisfies the relation y = k\(\sqrt{x}\), where k is a positive constant. Find the value of P,
A
2
B
4
C
10
D
25
medium Difficulty
Mathematics WAEC / WASSCE 2006 Linear, Simultaneous & Quadratic Equations
What must be added to x2 - 3x to make it a perfect square?
A
\(\frac{9}{4}\)
B
\(\frac{9}{2}\)
C
6
D
9
medium Difficulty
Mathematics WAEC / WASSCE 2006 Linear, Simultaneous & Quadratic Equations
Given that (2x - 1)(x + 5) = 2x2 - mx - 5, what is the value of m
A
11
B
5
C
-9
D
-10
medium Difficulty
Mathematics WAEC / WASSCE 2006 Fractions, Decimals, Percentages & Approximations
What is the place value of 9 in the number 3.0492?
A
\(\frac{9}{10000}\)
B
\(\frac{9}{1000}\)
C
\(\frac{9}{100}\)
D
\(\frac{9}{10}\)
medium Difficulty
Mathematics WAEC / WASSCE 2006 Fractions, Decimals, Percentages & Approximations
If the simple interest on a sum of money invested at 3% per annum for 2\(\frac{1}{2}\) years is N123, find the principal.
A
N676.50
B
N820
C
N1,640
D
N4,920
medium Difficulty
Mathematics WAEC / WASSCE 2006 Fractions, Decimals, Percentages & Approximations
A machine valued at N20,000 depreciates by 10% every year. What will be the value of the machine at the end of two years?
A
N16,200
B
N1,4,200
C
12,000
D
8000.
medium Difficulty
Mathematics WAEC / WASSCE 2006 Plane Geometry, Polygons & Circle Theorems
If 2x + y = 10, and y \(\neq\) 0, which of the following is not a possible value of x?
A
4
B
5
C
8
D
10
medium Difficulty
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