Mathematics JAMB, WAEC, NECO AND NABTEB Official Past Questions

43

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].

 

 

 

 

  • A. 1481/2cm2
  • B. 77cm2
  • C. 321/12cm2
  • D. 65/12cm2
  • E. 15/6cm2
View Answer & Discuss WAEC 1996
44

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?

 

  • A. 22cm
  • B. 181/3cm
  • C. \(\frac{11}{3}\)cm
  • D. 91/6cm
  • E. 71/3cm
View Answer & Discuss WAEC 1996
45

The graph of 2y = 5x2 – 3x2 – 2 cuts the y axis at the point

  • A. (1,0)
  • B. (-2/5, 0)
  • C. (0, -1)
  • D. (0, -2)
  • E. (0, 1)
View Answer & Discuss WAEC 1996
46

The roots of a quadratic equation are –1/4 and 3. The quadratic equation is

  • A. 4x2 - 13x - 3 = 0
  • B. 4x2 - 11x - 3 = 0
  • C. 4x2 + 11x - 3 = 0
  • D. 3x2 - 11x - 3 = 0
  • E. 3x2 - 11x + 3 = 0
View Answer & Discuss WAEC 1996
47

Factorize 32x3 – 8xy2

  • A. 4(4x + y)(2x - y)
  • B. (16x - y)(2x + y)
  • C. 8x(2x - y)
  • D. 8x(2x + y)(2x - y)
  • E. 4(2x + y)(4x - y)
View Answer & Discuss WAEC 1996
48
Make p the subject if formula y =
a + p/a – p
  • A. 2a + y/a + y = p
  • B. ay - y/y + 1 = p
  • C. a(y -1)/y + 1 = p
  • D. ay/y + 1 = p
  • E. 2y -1/y - 1 = p
View Answer & Discuss WAEC 1996
49
Solve the equation
4/a

+

1/5a

= 3

  • A. 21/5
  • B. 12/5
  • C. 11/3
  • D. 14/15
  • E. 1/3
View Answer & Discuss WAEC 1996
50

If x is a real number which of the following is more illustrated on the number line?

  • A. x < 4
  • B. x > -2
  • C. -2 < x ≤ 4
  • D. -3 ≤ x < 4
  • E. -2 ≤ x < 4
View Answer & Discuss WAEC 1996
51

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.

  • A. M = 2n/3p
  • B. M = 3n2/2p2
  • C. M = n2/2p
  • D. M = 3n/2p2
  • E. M = 2n/3p2
View Answer & Discuss WAEC 1996
52

If 3p – q = 6 and 2p + 3q = 4, find q

  • A. o
  • B. 1/2
  • C. 2/3
  • D. 1
  • E. 33/7
View Answer & Discuss WAEC 1996
53

Simplify: \(\frac{5}{x – y} – \frac{4}{y – x}\)

  • A. 9/x - y
  • B. 9/y - x
  • C. 1/x - y
  • D. 1/y - x
  • E. y - 9x/x - y
View Answer & Discuss WAEC 1996
54

Expand (2x – 5)(x – 3)

  • A. x2 - 1x -15
  • B. 2x2 - 11x + 15
  • C. 22 - 5x - 8
  • D. x2 - 5x - 15
  • E. 2x2 - 6x + 15
View Answer & Discuss WAEC 1996
55

Find the 9th term of the arithmetic progression 18, 12, 6, 0, -6 ………

  • A. -54
  • B. -30
  • C. 30
  • D. 42
  • E. 66
View Answer & Discuss WAEC 1996
56

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?

  • A. 10%
  • B. 1.4%
  • C. 7%
  • D. 0.2%
  • E. 0.1%
View Answer & Discuss WAEC 1996
57

Simplufy Log104 + Log1025

  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • E. 5
View Answer & Discuss WAEC 1996
58

Simplify 56x\(^{-4}\) \(\div\) 14x\(^{-8}\)

  • A. 2x-12
  • B. 3x-3
  • C. 4x-4
  • D. 4x-3
  • E. 4x4
View Answer & Discuss WAEC 1996
59

Simplify: \((2\frac{1}{6} – 1\frac{2}{3}) \div 2\frac{2}{3}\).

  • A. 3/16
  • B. 7/16
  • C. 1 13/24
  • D. 2 11/24
  • E. 10 2/5
View Answer & Discuss WAEC 1996
60

Convert the decimal number 89 to a binary number

  • A. 101101
  • B. 111001
  • C. 1001001
  • D. 1001101
  • E. 1011001
View Answer & Discuss WAEC 1996
61

The 6th term of a G.P is \(\frac{-2}{27}\) and its first term is 18. What is the common ratio?

  • A. -1/2
  • B. -1/3
  • C. 1/4
  • D. 2
  • E. 3
View Answer & Discuss WAEC 1996