Further Mathematics Past Questions

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Past Questions

799 questions
Question 1 of 20 799 total questions
Question 231
waec 2014

Integrate \((x - \frac{1}{x})^{2}\) with respect to x.

A\(\frac{1}{3}(x - \frac{1}{x})^{3} + c\)
B\(\frac{x^{3}}{3} - x\sqrt{\frac{1}{x^{3}}} + c\)
C\(\frac{x^{3}}{3} - 2x + \frac{1}{x^{3}} + c\)
D\(\frac{x^3}{3} - 2x - \frac{1}{x} + c\)
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Question 232
waec 2014

If \(Px^{2} + (P+1)x + P = 0\) has equal roots, find the values of P.

A\(\text{-1 and }\frac{-1}{3}\)
B\(\text{1 and }\frac{-1}{3}\)
C\(\text{-1 and }\frac{1}{3}\)
D\(\text{1 and }\frac{1}{3}\)
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Question 233
waec 2014
Age in years 10 - 14 15 - 19 20 - 24 25 - 29 30 - 34
Frequency 6 8 14 10 12

Find the mean of the distribution.

A23.4
B23.6
C24.3
D24.6
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Question 234
waec 2014
Age in years 10 - 14 15 - 19 20 - 24 25 - 29 30 - 34
Frequency 6 8 14 10 12

 

In which group is the upper quartile?

A15 - 19
B20 - 24
C25 - 29
D30 - 34
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Question 235
waec 2014
Age in years 10 - 14 15 - 19 20 - 24 25 - 29 30 - 34
Frequency 6 8 14 10 12

What is the class mark of the median class?

A17
B22
C27
D32
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Question 236
waec 2014

The radius of a sphere is increasing at a rate \(3cm s^{-1}\). Find the rate of increase in the surface area, when the radius is 2cm. 

A\(8\pi cm^{2}s^{-1}\)
B\(16\pi cm^{2}s^{-1}\)
C\(24\pi cm^{2}s^{-1}\)
D\(48\pi cm^{2}s^{-1}\)
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Question 237
waec 2014

A function is defined by \(h : x \to 2 - \frac{1}{2x - 3}, x \neq \frac{3}{2}\). Find \(h^{-1}(\frac{1}{2})\).

A\(6\)
B\(\frac{11}{6}\)
C\(\frac{11}{4}\)
D\(\frac{5}{3}\)
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Question 238
waec 2014

A function is defined by \(h : x \to 2 - \frac{1}{2x - 3}, x \neq \frac{3}{2}\). Find \(h^-1\), the inverse of h.

A\(\frac{3x - 4}{2x - 7}, x \neq \frac{7}{2}\)
B\(\frac{3x - 7}{2x - 4}, x \neq 2\)
C\(\frac{2x - 7}{4x - 3}, x \neq \frac{3}{4}\)
D\(\frac{4x - 7}{2x - 4}, x \neq 2\)
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Question 239
waec 2014

If \(T = \begin{pmatrix} -2 & -5 \\ 3 & 8 \end{pmatrix}\), find \(T^{-1}\), the inverse of T.

A\(\begin{pmatrix} -8 & -5 \\ 3 & 2 \end{pmatrix}\)
B\(\begin{pmatrix} -8 & -5 \\ 3 & -2 \end{pmatrix}\)
C\(\begin{pmatrix} -8 & -5 \\ -3 & 2 \end{pmatrix}\)
D\(\begin{pmatrix} -8 & -5 \\ -3 & -2 \end{pmatrix}\)
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Question 240
waec 2014

Find the derivative of \(\sqrt[3]{(3x^{3} + 1}\) with respect to x.

A\(\frac{3x}{3(3x^{3} + 1)}\)
B\(\frac{3x^{2}}{\sqrt[3]{(3x^{3} + 1)^{2}}}\)
C\(\frac{3x}{\sqrt[3]{3x^{2} + 1}}\)
D\(\frac{3x^{2}}{3(3x^{2} + 1)^{2}}\)
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Question 241
waec 2014

If \(\frac{x + P}{(x - 1)(x - 3)} = \frac{Q}{x - 1} + \frac{2}{x - 3}\), find the value of (P + Q).

A-2
B-1
C0
D1
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Question 242
waec 2014

A box contains 5 red and k blue balls. A ball is selected at random from the box. If the probability of selecting a blue ball is \(\frac{2}{3}\), find the value of k.

A5
B6
C8
D10
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Question 243
waec 2014

If \(2, (k+1), 8,...\) form an exponential sequence (GP), find the values of k.

A-3 and 5
B5 and -5
C3 and -3
D-5 and 3
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Question 244
waec 2014

If \((x + 2)\) and \((3x - 1)\) are factors of \(6x^{3} + x^{2} - 19x + 6\), find the third factor.

A\(2x - 3\)
B\(3x + 1\)
C\(x - 2\)
D\(3x + 2\)
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Question 245
waec 2014

Using the binomial expansion \((1+x)^{6} = 1 + 6x + 15x^{2} + 20x^{3} + 15x^{4} + 6x^{5} + x^{6}\), find, correct to 3 dp, the value of \((1.98)^{6}\).

A64.245
B61.255
C60.255
D60.245
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Question 246
waec 2014

Simplify \(\frac{1 + \sqrt{8}}{3 - \sqrt{2}}\).

A\(7 + \sqrt{2}\)
B\(7 + 7\sqrt{2}\)
C\(1 - 7\sqrt{2}\)
D\(1 + \sqrt{2}\)
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Question 247
waec 2014

If \(8^{x} ÷ (\frac{1}{4})^{y} = 1\) and \(\log_{2}(x - 2y) = 1\), find the value of (x - y).

A\(\frac{5}{4}\)
B\(\frac{3}{5}\)
C\(1\)
D\(\frac{2}{3}\)
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Question 248
waec 2014

If \(f(x) = 3x^{3} + 8x^{2} + 6x + k\) and \(f(2) = 1\), find the value of k.

A-67
B-61
C61
D67
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Question 249
waec 2014

Given that \(x * y = \frac{x + y}{2}, x \circ y = \frac{x^{2}}{y}\) and \((3 * b) \circ 48 = \frac{1}{3}\), find b, where b > 0.

A8
B6
C5
D4
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Question 250
waec 2014

Given that \(3x + 4y + 6 = 0\) and \(4x - by + 3 = 0\) are perpendicular, find the value of b.

A4
B3
C\(\frac{1}{3}\)
D\(\frac{1}{4}\)
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