Home ยป Past Questions ยป Mathematics ยป Waec ยป 2003 ยป Page 2
22

The locus of points equidistant from two intersecting straight lines PQ and PR is

  • A. a circle centre P radius Q.
  • B. a circle centre P radius PR
  • C. the point of intersection of the perpendicular bisectors of PQ and PR
  • D. the bisector of angle QPR
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23

The probabilities of a boy passing English and Mathematics test are x and y respectively. Find the probability of the boy failing both tests

  • A. 1-(x-y)+xy
  • B. 1-(x+y)-xy
  • C. 1-(x+y)+xy
  • D. 1 - (x - y) + x
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24

Given that p varies as the square of q and q varies inversely as the square root of r. How does p vary with r?

  • A. p varies as the square of r
  • B. p varies as the square root of r
  • C. p varies inversely as the square of r
  • D. p varies inversely as r
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25

The square root of a number is 2k. What is half of the number

  • A. \(\sqrt{\frac{k}{2}}\)
  • B. \(\sqrt{k}\)
  • C. \(\frac{1}{2}k^2\)
  • D. 2k2
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26

From the Venn Diagram below, find Q’ โˆฉ R.

  • A. (e)
  • B. (c, h)
  • C. (c, g, h)
  • D. (c, e, g, h)
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27

From the Venn diagram below, how many elements are in PโˆฉQ?

  • A. 1
  • B. 2
  • C. 4
  • D. 6
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28

If \(P = \sqrt{QR\left(1+\frac{3t}{R}\right)}\), make R the subject of the formula.

  • A. \(R = \frac{3Qt}{P^2 - Q}\)
  • B. \(R = \frac{P^2 โ€“ 3t}{Q+1}\)
  • C. \(R = \frac{P^2 + 3t}{Q - 1}\)
  • D. \(R = \frac{P^2-3Qt}{Q}\)
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29

In a โˆ† XYZ, /YZ/ = 6cm YXZ = 60o and XYZ is a right angle. Calculate /XZ/in cm, leaving your answer in surd form

  • A. 2โˆš3
  • B. 4โˆš3
  • C. 6โˆš3
  • D. 12โˆš3
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30

Which of the following is/are not the interior angle(s) of a regular polygon? I.108ยฐ II. 116ยฐ III. 120ยฐ

  • A. I only
  • B. II only
  • C. III only
  • D. I and III only
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31

If \(\frac{3^{(1-n)}}{9^{-2n}}=\frac{1}{9}\) find n

  • A. \(-\frac{3}{2}\)
  • B. \(\frac{1}{3}\)
  • C. -1
  • D. -3
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32

Given that x โ‰… 0.0102 correct to 3 significant figures, which of the following cannot be the actual value of x?

  • A. 0.01014
  • B. 0.01021
  • C. 0.01015
  • D. 0.01016
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33

Evaluate \((111_{two})^2 – (101_{two})^2\)

  • A. 10two
  • B. 100two
  • C. 1100two
  • D. 11000two
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34

In the diagram, \(P\hat{Q}S = 65^o, R\hat{P}S = 40^o\hspace{1mm}and\hspace{1mm}Q\hat{S}R=20^o\hspace{1mm} Find    P\hat{S}Q\)

  • A. 85o
  • B. 60o
  • C. 55o
  • D. 45o
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35

Find the values of x for which \( \frac{1}{2x^2 – 13x +15} \) is not defined,

  • A. 5 or \( \frac{3}{2} \)
  • B. 1 or \( \frac{15}{13} \)
  • C. 2 or 15
  • D. 13 or 15
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36

Out of 60 members of an Association, 15 are Doctors and 9 are Lawyers. If a member is selected at random from the Association, what is the probability that the member is neither a Doctor Nor a Lawyer

  • A. \(\frac{3}{5}\)
  • B. \(\frac{9}{10}\)
  • C. \(\frac{3}{20}\)
  • D. \(\frac{1}{4}\)
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37

Calculate the value of y in the diagram

  • A. 17
  • B. 34
  • C. 44
  • D. 45
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38

The four interior angles of a quadrilateral are (x + 20) o, (x+ 10) o (2x – 45) o and (x – 25) o. Find the value of x

  • A. 60
  • B. 80
  • C. 100
  • D. 360
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39

What is the size of angle x in the diagram

  • A. 15o
  • B. 30o
  • C. 45o
  • D. 60o
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40

A ladder, 6m long, leans against a vertical wall at an angle 53o to the horizontal. How high up the wall does the ladder reach?

  • A. 3.611m
  • B. 4.521m
  • C. 4.792m
  • D. 7.962m
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41

Given, that \(4P4_5 = 119_{10}\), find the value of P

  • A. 1
  • B. 2
  • C. 3
  • D. 4
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42

In\( โˆ† PQR, P\hat{Q}P = 84^ยฐ, |Q\hat{P}R |= 43^ยฐ\) and |PQ| = 5cm. Find /QR/ in cm, correct to 1 decimal place.

  • A. 3.4
  • B. 4.3
  • C. 5.9
  • D. 6.2
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