WAEC - Mathematics (1996)

  • 1
    The 6th term of a G.P is \(\frac{-2}{27}\) and its first term is 18. What is the common ratio?
    Răspuns
    (B)
    -1/3
  • 2
    Convert the decimal number 89 to a binary number
    Răspuns
    (E)
    1011001
  • 3
    Simplify: \((2\frac{1}{6} - 1\frac{2}{3}) \div 2\frac{2}{3}\).
    Răspuns
    (A)
    3/16
  • 4
    Simplify 56x\(^{-4}\) \(\div\) 14x\(^{-8}\)
    Răspuns
    (E)
    4x4
  • 5
    Simplufy Log104 + Log1025
    Răspuns
    (B)
    2
  • 6
    A boy measured the length and breath of a rectangular lawn as 59.6m and 40.3m respectively instead of 60m and 40m. What is the percentage error in his calculation of the perimeter of the lawn?
    Răspuns
    (E)
    0.1%
  • 7
    Find the 9th term of the arithmetic progression 18, 12, 6, 0, -6 .........
    Răspuns
    (B)
    -30
  • 8
    Expand (2x - 5)(x - 3)
    Răspuns
    (B)
    2x2 - 11x + 15
  • 9
    Simplify: \(\frac{5}{x - y} - \frac{4}{y - x}\)
    Răspuns
    (A)
    9/x - y
  • 10
    If 3p - q = 6 and 2p + 3q = 4, find q
    Răspuns
    (A)
    o
  • 11
    M varies directly as n and inversely as the square of p. If M = 3, when n = 2 and p = 1, find M in terms of n and p.
    Răspuns
    (D)
    M = 3n/2p2
  • 12
    If x is a real number which of the following is more illustrated on the number line?
    Răspuns
    (E)
    -2 ≤ x < 4
  • 13
    Solve the equation
    4/a
    +
    1/5a
    = 3
    Răspuns
    (B)
    12/5
  • 14
    Make p the subject if formula y =
    a + p/a - p
    Răspuns
    (C)
    a(y -1)/y + 1
    = p
  • 15
    Factorize 32x3 - 8xy2
    Răspuns
    (D)
    8x(2x + y)(2x - y)
  • 16
    The roots of a quadratic equation are -1/4 and 3. The quadratic equation is
    Răspuns
    (B)
    4x2 - 11x - 3 = 0
  • 17
    The graph of 2y = 5x2 - 3x2 - 2 cuts the y axis at the point
    Răspuns
    (C)
    (0, -1)
  • 18

    In the diagram above, O is the center of the circle of radius 3.5cm, ∠POQ = 60o

     

    Use the information to answer the question below [Take π = 22/7]


    What is the length of the arc PXQ?

     

    Răspuns
    (C)
    \(\frac{11}{3}\)cm
  • 19

    In the diagram above, O is the center of the circle of radius 3.5cm, ∠POQ = 60°. What is the area of the minor sector POQ?

    [Take π = 22/7].

     

     

     

     

    Răspuns
    (D)
    65/12cm2
  • 20
    If the hypotenuse of a right-angle isosceles triangle is 2, what is the length of each of the other side?
    Răspuns
    (D)
    √2
  • 21
    Find, correct to 1 decimal place, the volume of cylinder of height 8cm and base radius 3cm. [Take π = 3.142]
    Răspuns
    (D)
    226.2cm3
  • 22
    One side of a rectangle is 8cm and the diagonal is 10cm. What is the area of the rectangle?
    Răspuns
    (B)
    48cm2
  • 23
    two towns X and Y both on latitude 60oS have longitude 27oE and 33oW respectively. Find to the nearest kilometers, the distance between X and Y measured along the parallel of latitude. [Take 2πR = 4 x 104km, where R is the Radius of the earth]
    Răspuns
    (E)
    3333km
  • 24
    The angle of a sector of a circle of radius 35cm is 288o. Find the perimeter of the sector. [Take π = 22/7]
    Răspuns
    (A)
    246cm
  • 25
    How many sides has a polygon if the sum of its interior angle is 1440o?
    Răspuns
    (E)
    10
  • 26
    Each interior angle of a regular nonagon(nine sided polygon) is equal to
    Răspuns
    (C)
    140o
  • 27

    In the diagram above, find x correct to the nearest degree

    Răspuns
    (C)
    26o
  • 28

    In the diagram above, TRQ is a straight line. Find p, if p = \(\frac{1}{3}\)(a + b + c)

    Răspuns
    (A)
    45o
  • 29
    Which of the following is not true? You may construct a
    Răspuns
    (D)
    quatrilateral given all the four sides
  • 30

    In the diagram above, PQ is parallel to RST. /RS/ = /SQ/ = /TQ/ and ∠PQR = 35o.Calculate ∠SQT

    Răspuns
    (C)
    40o
  • 31
    In the diagram above, /PQ/ = /PS/ and /QR/ = /SR/. Which of the following is/are true? i. the line PR bisects ∠QRS ii. The line PR is the perpendicular bisector of the line segment QS iii. Every point on PR is equidistant from SP and QP
    Răspuns
    (E)
    I, II and III
  • 32

    In the diagram, ∠PMN = ∠PRQ and ∠PNM = ∠PQR. If /Pm/ = 3cm, /MQ/ = 7cm and /PN/ = 5cm, find /NR/

     

     

     

    Răspuns
    (A)
    1cm
  • 33
    In the diagram above, PQ is a tangent to the circle MTN at T. What is the size of ∠MTN?
    Răspuns
    (C)
    66o
  • 34
    In the diagram above, KLMN is a cyclic quadrilateral. /KL/ = /KN/, ∠NKM = 55o and ∠KML = 40o. Find ∠LKM
    Răspuns
    (C)
    45o
  • 35
    In the diagram above, ∠SPQ = 79o. Find ∠SRQ
    Răspuns
    (E)
    101o
  • 36
    Two angles (a + 31) and (b - 49o) are adjacent angles on a straight line. Which of the following is true
    Răspuns
    (A)
    a + b = 198o
  • 37
    The trapezium PQRS parallel to SR,∠PQS = 34o and ∠SPQ = 2 ∠SRQ. Find the size of, SQR
    Răspuns
    (D)
    90o
  • 38
    In the diagram above, AB, CD and XY are straight lines intersecting at W. Find ∠CWX
    Răspuns
    (B)
    80o
  • 39
    If sin\(\theta\) cos\(\theta\), for 0o \(\leq\) θ \(\leq\) 360o, find the value of \(\theta\)
    Răspuns
    (A)
    45o, 225o
  • 40
    If tan x = \(2\frac{2}{5}\), find the value of sin x; 0 \(\leq\) x \(\leq\) 90o
    Răspuns
    (D)
    12/13
  • 41
    A town P is 150km from a town Q in the direction 050o. What is the bearing of Q from P?
    Răspuns
    (C)
    230o
  • 42
    The angle of elevation of the top X of a vertical pole from a point P on a level ground is 60o. The distance from P to the foot of the pole is 55m. Without using tables, find the height of the pole.
    Răspuns
    (C)
    55√3m
  • 43

    The number of goals scored by a football team in 20 matches is shown in the table above


    What is the mean goal scored?

    Răspuns
    (B)
    1.75
  • 44

    The number of goals scored by a football team in 20 matches is shown in the table above


    What is the modal goal scored?
    Răspuns
    (C)
    2
  • 45
    The cumulative frequency curve may be used to find the
    Răspuns
    (D)
    median