Further Mathematics Past Questions

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Past Questions

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Question 1 of 20 799 total questions
Question 181
waec 2017

A binary operation \(\Delta\) is defined on the set of real numbers, R, by \(a \Delta b = \frac{a+b}{\sqrt{ab}}\), where a\(\neq\) 0, b\(\neq\) 0. Evaluate \(-3 \Delta -1\).

A\(-4\sqrt{3}\)
B\(\frac{-4\sqrt{3}}{3}\)
C\(\frac{-3\sqrt{3}}{4}\)
D\(\frac{-3\sqrt{3}}{4}\)
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Question 182
waec 2017

If \(log_{y}\frac{1}{8}\) = 3, find the value of y.

A-2
B-\(\frac{1}{2}\)
C\(\frac{1}{2}\)
D2
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Question 183
waec 2016

A ball falls from a height of 18m above the ground. Find the speed with which the ball hits the ground. \([g = 10ms^{-2}]\)

A9\(ms^{-1}\)
B9.49\(ms^{-1}\)
C13.42\(ms^{-1}\)
D18.97\(ms^{-1}\)
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Question 184
waec 2016

A man of mass 80kg stands in a lift. If the lift moves upwards with acceleration 0.5\(ms^{-2}\), calculate the reaction from the floor of the lift on the man. \([g = 10ms^{-2}]\)

A760N
B800N
C805N
D840N
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Question 185
waec 2016

A force 10N acts in the direction 060° and another force 6N acts in the direction 330°. Find the y component of their resultant force.

A\((3 + 3\sqrt{3})N\)
B\((-3 + 5\sqrt{3})N\)
C\((5 + 3\sqrt{3})N\)
D\((5 + 5\sqrt{3})N\)
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Question 186
waec 2016

A body of mass 10kg moving with a velocity of 5\(ms^{-1}\) collides with another body of mass 15kg moving in the same direction as the first with a velocity of 2\(ms^{-1}\). After collision, the two bodies move together with a common velocity v\(ms^{-1}\).

A3.2
B5.3
C7.0
D8.0
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Question 187
waec 2016

Find the unit vector in the direction of \(-2i + 5j\).

A\(\frac{1}{\sqrt{29}}(2i + 5j)\)
B\(\frac{1}{\sqrt{29}}(-2i + 5j)\)
C\(\frac{1}{29}(2i - 5j)\)
D\(\frac{1}{29}(-2i - 5j)\)
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Question 188
waec 2016

Given that \(r = 3i + 4j\) and \(t = -5i + 12j\), find the acute angle between them.

A14.3°
B55.9°
C59.5°
D75.6°
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Question 189
waec 2016

A box contains 14 white balls and 6 black balls. Find the probability of first drawing a black ball and then a white ball without replacement.

A0.21
B0.22
C0.30
D0.70
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Question 190
waec 2016

A fair coin is tossed 3 times. Find the probability of obtaining exactly 2 heads.

A\(\frac{1}{8}\)
B\(\frac{3}{8}\)
C\(\frac{5}{8}\)
D\(\frac{7}{8}\)
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Question 191
waec 2016

Find the variance of 11, 12, 13, 14 and 15.

A2
B3
C\(\sqrt{2}\)
D13
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Question 192
waec 2016

Given that \(n = 10\) and \(\sum d^{2} = 20\), calculate the Spearman's rank correlation coefficient.

A0.121
B0.733
C0.879
D0.979
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Question 193
waec 2016

Find an expression for y given that \(\frac{\mathrm d y}{\mathrm d x} = x^{2}\sqrt{x}\)

A\(\frac{1x^{\frac{2}{7}}}{7} + c\)
B\(\frac{2x^{\frac{3}{2}}}{7} + c\)
C\(\frac{2x^{\frac{7}{2}}}{7} + c\)
D\(\frac{1x^{\frac{7}{2}}}{7} + c\)
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Question 194
waec 2016

The radius of a circle increases at a rate of 0.5\(cms^{-1}\). Find the rate of change in the area of the circle with radius 7cm. \([\pi = \frac{22}{7}]\)

A11\(cm^{2}s^{-1}\)
B22\(cm^{2}s^{-1}\)
C33\(cm^{2}s^{-1}\)
D44\(cm^{2}s^{-1}\)
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Question 195
waec 2016

Find the minimum value of \(y = 3x^{2} - x - 6\).

A\(-6\frac{1}{6}\)
B\(-6\frac{1}{12}\)
C\(-6\)
D\(0\)
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Question 196
waec 2016

Find the gradient to the normal of the curve \(y = x^{3} - x^{2}\) at the point where x = 2.

A\(\frac{-1}{8}\)
B\(\frac{1}{8}\)
C\(\frac{-1}{24}\)
D\(1\)
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Question 197
waec 2016

Find \(\lim\limits_{x \to 3} \frac{2x^{2} + x - 21}{x - 3}\).

A0
B1
C7
D13
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Question 198
waec 2016

The lines \(2y + 3x - 16 = 0\) and \(7y - 2x - 6 = 0\) intersect at point P. Find the coordinates of P.

A(4, 2)
B(4, -2)
C(-4, 2)
D(-4, -2)
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Question 199
waec 2016

Points E(-2, -1) and F(3, 2) are the ends of the diameter of a circle. Find the equation of the circle.

A\(x^{2} + y^{2} - 5x + 3 = 0\)
B\(x^{2} + y^{2} - 2x - 6y - 13 = 0\)
C\(x^{2} + y^{2} - x + 5y - 6 = 0\)
D\(x^{2} + y^{2} - x - y - 8 = 0\)
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Question 200
waec 2016

Find the equation of the line which passes through (-4, 3) and parallel to line y =  2x + 5.

Ay = 2x + 11
By = 3x - 5
Cy = 2x - 11
D
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