1219

The solution of x + 2 \(\geq\) 2x + 1 is illustrated

 

  • A. i
  • B. ii
  • C. iii
  • D. iv
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1220

In the diagram, WXYZ is a rectangle with diamension 8cm by 6cm. P, Q, R and S are the midpoints of the rectangle as shown. Using this information calculate the area of the part of the rectangle that is not shaded

  • A. 25cm\(^2\)
  • B. 24cm\(^2\)
  • C. 16cm\(^2\)
  • D. 12cm\(^2\)
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1221

In the diagram, PS and RS are tangents to the circle centre O. βˆ PSR = 70Β°, βˆ POR = m, and βˆ PSR =n. Find ( m + n ).

  • A. 110\(^o\)
  • B. 135\(^o\)
  • C. 165\(^o\)
  • D. 225\(^o\)
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1222

In the diagram, WXYZ is a rectangle with dimension 8cm by 6cm. P, Q, R and S are the midpoints of the sides of the rectangle as shown. Using this information, what type of quadrilateral is the shaded region?

  • A. Trapezium
  • B. Prism
  • C. Rectangle
  • D. Rhombus
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1223

In the diagram, PR is a tangent to the circle at Q, QT//RS, < SQR = 35ΒΊ and < RSQ = 50ΒΊ. Find the value of <QST

  • A. 40\(^o\)
  • B. 65\(^o\)
  • C. 85\(^o\)
  • D. 95\(^o\)
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1224

Find the value of t in the diagram

  • A. 63\(^o\)
  • B. 117\(^o\)
  • C. 126\(^o\)
  • D. 234\(^o\)
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1225

Find the mean deviation of 20, 30, 25, 40, 35, 50, 45, 40, 20 and 45

  • A. 8
  • B. 9
  • C. 10
  • D. 12
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1226

Find the median of 2, 1, 0, 3, 1, 1, 4, 0, 1 and 2

  • A. 0.0
  • B. 0.5
  • C. 1.0
  • D. 1.5
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1227

If P and Q are two statements, under what condition would p|q be false?

  • A. If p is true and q is true
  • B. If p is true and q is false
  • C. If p is false and q is false
  • D. If p is false and q is true
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1228

In the diagram, which of the following ratios is equal to \(\frac{|PN|}{|PQ|}\)?

  • A. \(\frac{|PN|}{|PR|}\)
  • B. \(\frac{|PM|}{|PQ|}\)
  • C. \(\frac{|PM|}{|PR|}\)
  • D. \(\frac{|PR|}{|PQ|}\)
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1229

The angle of elevation of the top of a tree from a point 27m away and on the same horizontal ground as the foot of the tree is 30\(^o\). Find the height of the tree.

  • A. 27m
  • B. 13.5 \(\sqrt{3m}\)
  • C. 13.5 \(\sqrt{2m}\)
  • D. 9\(\sqrt{3m}\)
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1230

Expression 0.612 in the form \(\frac{x}{y}\), where x and y are integers and y \(\neq\) 0

  • A. \(\frac{153}{250}\)
  • B. \(\frac{68}{111}\)
  • C. \(\frac{61}{100}\)
  • D. \(\frac{21}{33}\)
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1231

If  x : y = \(\frac{1}{4} : \frac{3}{8}\) and y : z = \(\frac{1}{3} : \frac{4}{9}\), find x : z

  • A. 2:3
  • B. 3:4
  • C. 3:8
  • D. 1:2
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1232

Find the inter-quartile range of 1, 3, 4, 5, 8, 9, 10, 11, 12, 14, 16

  • A. 6
  • B. 7
  • C. 8
  • D. 9
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1233

If 3x\(^o\) 4(mod 5), find the least value of x

  • A. 1
  • B. 2
  • C. 3
  • D. 4
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1234

Find  the \(n^{th}\) term of the sequence 2 x 3, 4 x 6, 8 x 9, 16 x 12…

  • A. 2\(^n\) x 3(n + 1)
  • B. 2\(^n\) x 3n
  • C. 2\(^n\) x 3\(^n\)
  • D. 2\(^n\) x 3\(^n - 1\)
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1235

Factorise completely the expression

\((x + 2)^2\) – \((2x + 1)^2\)

  • A. (3x + 2)(1 - x)
  • B. (3x + 2)(2x + 1)
  • C. 3\((x + 2)^2\)
  • D. 3(x + 1)(1 - x)
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1236

Solved the equation \(2x^2 – x – 6\) = 0

  • A. x = \(\frac{-3}{2}\) or 2
  • B. x = -2 or \(\frac{3}{2}\)
  • C. x = -3 or 2
  • D. x = 3 or -2
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1237

Find the value of x for which \(\frac{x – 5}{x(x – 1)}\) is undefined.

  • A. 0 or 5
  • B. -5 or 5
  • C. -11 or 5
  • D. 0 or 1
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1238

The total surface area of a hemispher is 75\(\pi cm^2\). Find the radius.

  • A. 5.0 cm
  • B. 7.0 cm
  • C. 8.5 cm
  • D. 12.0 cm
View Answer & Discuss WAEC 2018
1239

The table shows the distribution of goals scored by 25 teams in a football competition. Calculate the probability that a team selected at random scored at most 3 goals.

  • A. \(\frac{3}{25}\)
  • B. \(\frac{1}{5}\)
  • C. \(\frac{6}{25}\)
  • D. \(\frac{2}{5}\)
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