Home ยป Past Questions ยป Mathematics ยป Waec ยป 2007 ยป Page 2
22

Find the value of x in the diagram

  • A. 281o
  • B. 269o
  • C. 201o
  • D. 179o
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23

In the diagram, |SP| = |SR| and < PRS = 50o. Calculate < PQR

  • A. 120o
  • B. 110o
  • C. 100o
  • D. 80o
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24

From the diagram, find the value of x in the diagram.

  • A. 80o
  • B. 70o
  • C. 55o
  • D. 35o
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25

In the diagram |LN| = 4cm, LNM = 90o and tan y = \(\frac{2}{3}\). What is the area of the \(\bigtriangleup\)LMN?

  • A. 24cm2
  • B. 12cm2
  • C. 10cm2
  • D. 6cm2
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26

The volume of a cylinder is 1200cm3 and the area of its base is 150cm2. Find the height of the cylinder.

  • A. 80.00cm
  • B. 8.00cm
  • C. 0.80cm
  • D. 0.08cm
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27

Two circles have radii 16cm and 23cm. What is the difference between their circumference? take \(\pi = \frac{22}{7}\)

  • A. 422.92cm
  • B. 149.92cm
  • C. 44.00cm
  • D. 43.96cm
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28

Simplify \(\frac{4}{2x} – \frac{2x + x}{x}\)

  • A. -1
  • B. -2x
  • C. 2x
  • D. \(\frac{2 - x}{2x}\)
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29

Expand the expression(3a – xy)(3a + xy)

  • A. 9a2 - x2y2
  • B. 9a2 + x2y2
  • C. 9a2 - xy
  • D. 9a2 + x2y
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30

Find the smallest value of k such that 2\(^2\) x 3\(^3\) x 5 x k is a perfect square.

  • A. 3
  • B. 5
  • C. 15
  • D. 30
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31

For what range of values of x is 4x – 3(2x – 1) > 1?

  • A. x > -1
  • B. x > 1
  • C. x < 1
  • D. x < -1
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32

make w the subject of the relation \(\frac{a + bc}{wd + f}\) = g

  • A. \(\frac{a + bc - fg}{dg}\)
  • B. \(\frac{a - bc + fg}{dg}\)
  • C. \(\frac{a + bc - f}{dg}\)
  • D. \(\frac{a + bc - dg}{dg}\)
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33

Which of the following is a factor of 2 – x – x2?

  • A. 1 - x
  • B. 1 + x
  • C. x - 1
  • D. 2 - x
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34

PQR is an equilateral triangle with sides 2\(\sqrt{3cm}\). calculate its height

  • A. 1.7cm
  • B. 3.0cm
  • C. 3.2cm
  • D. 3.9cm
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35

At what rate per cent per annum will N520.00 yield a simple interest of N39.00 in three years?

  • A. 4%
  • B. 3\(\frac{1}{2}\)%
  • C. 3%
  • D. 2\(\frac{1}{2}\)%
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36

A messenger was paid N2.50 an hour during the normal working hours and 4.00 n hour during overtime. If he received N31.00 for 10 hours work, how many hours are for overtime?

  • A. 2
  • B. 3
  • C. 4
  • D. 6
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37

Find the value of a if log\(_{10}\) a + log\(_{10}\)a\(^2\) = 0.9030

  • A. 4.0
  • B. 2.0
  • C. 1.6
  • D. 0.0
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38

The bearing of a point P from another point Q is 310o. If |PQ| = 200m, how far west of Q is P?

  • A. 128.6m
  • B. 153.2m
  • C. 167.8m
  • D. 187.9m
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39

Q is 32 km away from P on a bearing 042o and R is 25km from P on a bearing of 132o. Calculate the bearing of R from Q.

  • A. 122o
  • B. 184o
  • C. 190o
  • D. 226o
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40

Divide the sum of 8, 6, 7, 2, 0, 4, 7, 2, 3, by their mean

  • A. 9
  • B. 8
  • C. 7
  • D. 6
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41

The table shows the ages(in years) of twenty children chosen at random from a community. What is the median of the distribution? \(\begin{array}{c|c} Age(years) & 1 & 2 & 3 & 4 & 5 \\ \hline {\text {Number of children}} & 2 & 3 & 5 & 6 & 4 \end{array}\)

  • A. 3.5 years
  • B. 3.0 years
  • C. 2.5 years
  • D. 2.0 years
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42

The table shows the ages(in years) of twenty children chosen at random from a community. What is the mean age? \(\begin{array}{c|c} Age(years) & 1 & 2 & 3 & 4 & 5 \\ \hline {\text {Number of children}} & 2 & 3 & 5 & 6 & 4 \end{array}\)

  • A. 4.46 years
  • B. 3.35 years
  • C. 3.30years
  • D. 3.00 years
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