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?
    отговор
    (B)
    -1/3
  • 2
    Convert the decimal number 89 to a binary number
    отговор
    (E)
    1011001
  • 3
    Simplify: \((2\frac{1}{6} - 1\frac{2}{3}) \div 2\frac{2}{3}\).
    отговор
    (A)
    3/16
  • 4
    Simplify 56x\(^{-4}\) \(\div\) 14x\(^{-8}\)
    отговор
    (E)
    4x4
  • 5
    Simplufy Log104 + Log1025
    отговор
    (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?
    отговор
    (E)
    0.1%
  • 7
    Find the 9th term of the arithmetic progression 18, 12, 6, 0, -6 .........
    отговор
    (B)
    -30
  • 8
    Expand (2x - 5)(x - 3)
    отговор
    (B)
    2x2 - 11x + 15
  • 9
    Simplify: \(\frac{5}{x - y} - \frac{4}{y - x}\)
    отговор
    (A)
    9/x - y
  • 10
    If 3p - q = 6 and 2p + 3q = 4, find q
    отговор
    (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.
    отговор
    (D)
    M = 3n/2p2
  • 12
    If x is a real number which of the following is more illustrated on the number line?
    отговор
    (E)
    -2 ≤ x < 4
  • 13
    Solve the equation
    4/a
    +
    1/5a
    = 3
    отговор
    (B)
    12/5
  • 14
    Make p the subject if formula y =
    a + p/a - p
    отговор
    (C)
    a(y -1)/y + 1
    = p
  • 15
    Factorize 32x3 - 8xy2
    отговор
    (D)
    8x(2x + y)(2x - y)
  • 16
    The roots of a quadratic equation are -1/4 and 3. The quadratic equation is
    отговор
    (B)
    4x2 - 11x - 3 = 0
  • 17
    The graph of 2y = 5x2 - 3x2 - 2 cuts the y axis at the point
    отговор
    (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?

     

    отговор
    (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].

     

     

     

     

    отговор
    (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?
    отговор
    (D)
    √2
  • 21
    Find, correct to 1 decimal place, the volume of cylinder of height 8cm and base radius 3cm. [Take π = 3.142]
    отговор
    (D)
    226.2cm3
  • 22
    One side of a rectangle is 8cm and the diagonal is 10cm. What is the area of the rectangle?
    отговор
    (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]
    отговор
    (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]
    отговор
    (A)
    246cm
  • 25
    How many sides has a polygon if the sum of its interior angle is 1440o?
    отговор
    (E)
    10
  • 26
    Each interior angle of a regular nonagon(nine sided polygon) is equal to
    отговор
    (C)
    140o
  • 27

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

    отговор
    (C)
    26o
  • 28

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

    отговор
    (A)
    45o
  • 29
    Which of the following is not true? You may construct a
    отговор
    (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

    отговор
    (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
    отговор
    (E)
    I, II and III
  • 32

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

     

     

     

    отговор
    (A)
    1cm
  • 33
    In the diagram above, PQ is a tangent to the circle MTN at T. What is the size of ∠MTN?
    отговор
    (C)
    66o
  • 34
    In the diagram above, KLMN is a cyclic quadrilateral. /KL/ = /KN/, ∠NKM = 55o and ∠KML = 40o. Find ∠LKM
    отговор
    (C)
    45o
  • 35
    In the diagram above, ∠SPQ = 79o. Find ∠SRQ
    отговор
    (E)
    101o
  • 36
    Two angles (a + 31) and (b - 49o) are adjacent angles on a straight line. Which of the following is true
    отговор
    (A)
    a + b = 198o
  • 37
    The trapezium PQRS parallel to SR,∠PQS = 34o and ∠SPQ = 2 ∠SRQ. Find the size of, SQR
    отговор
    (D)
    90o
  • 38
    In the diagram above, AB, CD and XY are straight lines intersecting at W. Find ∠CWX
    отговор
    (B)
    80o
  • 39
    If sin\(\theta\) cos\(\theta\), for 0o \(\leq\) θ \(\leq\) 360o, find the value of \(\theta\)
    отговор
    (A)
    45o, 225o
  • 40
    If tan x = \(2\frac{2}{5}\), find the value of sin x; 0 \(\leq\) x \(\leq\) 90o
    отговор
    (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?
    отговор
    (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.
    отговор
    (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?

    отговор
    (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?
    отговор
    (C)
    2
  • 45
    The cumulative frequency curve may be used to find the
    отговор
    (D)
    median