Home ยป Past Questions ยป Mathematics ยป Waec ยป 2017 ยป Page 2
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Marks 0 1 2 3 4 5
Frequency 7 4 18 12 8 11

The table gives the distribution of marks obtained by a number of pupils in a class test. Using this information, Find the median of the distribution

  • A. 4
  • B. 3
  • C. 1
  • D. 2
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23

In the diagram, PQ and PS are tangents to the circle O. If PSQ = m, <SPQ = n and <SQR = 33\(^o\), find the value of (m + n)

  • A. 103\(^o\)
  • B. 123\(^o\)
  • C. 133\(^o\)
  • D. 143\(^o\)
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24

The diagram shows a circle O. If < ZYW = 33\(^o\) , find < ZWX

  • A. 33\(^o\)
  • B. 57\(^o\)
  • C. 90\(^o\)
  • D. 100\(^o\)
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25

In the diagram, XY is a straight line. <POX = <POQ and <ROY = <QOR. Find the value of <POQ + <ROY.

  • A. 60\(^o\)
  • B. 90\(^o\)
  • C. 100\(^o\)
  • D. 120\(^o\)
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26

The diagram shows a circle centre O. if 29 and

  • A. 12\(^o\)
  • B. 15\(^o\)
  • C. 29\(^o\)
  • D. 34\(^o\)
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27

Fig. 1 and Fig. 2 are the addition and multiplication tables respectively in modulo 5. Use these tables to solve the equation (n \(\oplus 4\))

  • A. 1
  • B. 2
  • C. 3
  • D. 4
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28

A circular pond of radius 4m has a path of width 2.5m round it. Find, correct to two decimal places, the area of the path. [Take\(\frac{22}{7}\)]

  • A. 7.83\(m^2\)
  • B. 32.29\(m^2\)
  • C. 50.29\(m^2\)
  • D. 82.50\(m^2\)
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29

Calculate the variance of 2, 3, 3, 4, 5, 5, 5, 7, 7 and 9

  • A. 2.2
  • B. 3.4
  • C. 4.0
  • D. 4.2
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30

If the simple interest on a certain amount of money saved in a bank for 5 years at 2\(\frac{1}{2}\)% annum is N500.00, calculate the total amount due after 6 years at the same rate

  • A. N2,500.00
  • B. N2,600.00
  • C. N4,500.00
  • D. N4,600.00
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31

Two bottles are drawn with replacement from a crate containing 8 Coke, 12 Fanta, and 4 Sprite bottles. What is the probability that the first is coke and the second is not coke?

  • A. \(\frac{1}{12}\)
  • B. \(\frac{1}{6}\)
  • C. \(\frac{2}{9}\)
  • D. \(\frac{3}{8}\)
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32

Given that t = \(2 ^{-x}\), find \(2 ^{x + 1}\) in terms of t. 

  • A. \(\frac{2}{t}\)
  • B. \(\frac{t}{2}\)
  • C. \(\frac{1}{2t}\)
  • D. t
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33

Consider the statements: p it is hot, q: it is raining

Which of the following symbols correctly represents the statement “It is raining if and only if it it is cold”?

       

 

  • A. p \(\iff\) \(\sim\)q
  • B. p \(\iff\) q
  • C. \(\sim\)p \(\iff\) \(\sim\)q
  • D. q \(\iff\) \(\sim\)p
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34

Make x the subject of the relation d = \(\sqrt{\frac{6}{x} – \frac{y}{2}}\)

  • A. x = \(\frac{6 + 12}{d^2 + y}\)
  • B. x = \(\frac{12}{d^2 - y}\)
  • C. x = \(\frac{12}{y} - 2d^2\)
  • D. x = \(\frac{12}{2d^2 + y}\)
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35

The roots of a quadratic equation are \(\frac{-1}{2}\) and \(\frac{2}{3}\). Find the equation.

  • A. \(6x^2 - x + 2 = 0\)
  • B. \(6x^2 - x - 2 = 0\)
  • C. \(6x^2 + x - 2 = 0\)
  • D. \(6x^2 + x + 2 = 0\)
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36

Find the 6th term of the sequence \(\frac{2}{3} \frac{7}{15} \frac{4}{15}\),…

  • A. -\(\frac{1}{3}\)
  • B. -\(\frac{1}{5}\)
  • C. -\(\frac{1}{15}\)
  • D. \(\frac{1}{9}\)
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37

Simplify the expression \(\frac{a^2 b^4 – b^2 a^4}{ab(a + b)}\)

 

  • A. \(a^2 - b^2\)
  • B. \(b^2 - a^2\)
  • C. \(a^2b - ab^2\)
  • D. \(ab^2 - a^2b\)
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38

Three exterior angles of a polygon are 30\(^o\), 40\(^o\) and 60\(^o\). If the remaining exterior angles are 46\(^o\) each, name the polygon.

  • A. decagon
  • B. nonagon
  • C. octagon
  • D. hexagon
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39

Simplify; \(\sqrt{2}(\sqrt{6} + 2\sqrt{2}) – 2\sqrt{3}\)

  • A. 4
  • B. \(\sqrt{3} + 4\)
  • C. 4 \(\sqrt{2}\)
  • D. 4\(\sqrt{3} + 4\)
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40

In what number base was the addition 1 + nn = 100, where n > 0, done?

  • A. n - 1
  • B. n + 1
  • C. n
  • D. n + 2
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41

The average age of a group of 25 girls is 10year. If one girl, aged 12 years and 4 months joins the group, find the new average age of the group

  • A. 10.1 years
  • B. 9.3 years
  • C. 8.7 years
  • D. 8 . 3 years
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42

Given that cos 30\(^o\) = sin 60\(^o\) = \(\frac{3}{2}\) and sin 30\(^o\) = cos 60\(^o\) = \(\frac{1}{2}\), evaluate \(\frac{tan 60^o – 1}{1 – tan 30^o}\)

  • A. \(\sqrt{3 - 2}\)
  • B. 2 - \(\sqrt{3}\)
  • C. \(\sqrt{3}\)
  • D. -2
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