Mathematics 2018 Past Questions | JAMB

Study the following Mathematics past questions and answers for JAMBWAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.

31.  A man stands on a tree 150cm high and sees a boat at an angle of depression of 74°. Find the distance of the boat from the base of the tree.

  • A. 52cm
  • B. 43cm
  • C. 40cm
  • D. 15cm

32.  Integrate the expression 6x\(^2\) – 2x + 1

  • A. 3x\(^3\) – 2x\(^2\) + x + c
  • B. 2x\(^3\) – x\(^2\) + x + c
  • C. 2x\(^3\) – 3x\(^2\) + c
  • D. x\(^3\) + x\(^2\) – x + c

33.  In how many ways can the letters LEADER be arranged?

  • A. 72
  • B. 144
  • C. 360
  • D. 720

34.

In the figure below, /MX/ = 8cm, /XN/ = 12cm, /NZ/ = 4cm and ∠ XMN = ∠ XZY. Calculate /YM/

  • A. 32cm
  • B. 24 cm
  • C. 16 cm
  • D. 12 cm

35. Express 495g as a percentage of 16.5kg

  • A. 3%
  • B. 3 1/3%
  • C. 15%
  • D. 30%

36. Evaluate (2√3 – 4) (2√3 + 4) 

  • A. -4
  • B. -2
  • C. 2
  • D. 4

37. Find the equation of the tangent at the point (2, 0) to the curve y = x² – 2x

  • A. y = 2x – 4
  • B. y = 2x + 4
  • C. y = 2x – 2
  • D. y = 2x + 2

38.

2Cgh2bwCU6f3MIa0qJaW0VIlja87QJBISZL1svpK

Use the quadratic equation curve to answer this questions
What is the minimum value of the graph?

  • A. -5.3
  • B. 0.5
  • C. 3
  • D. 8

39. Evaluate \((\frac{6}{0.32} \div \frac{2}{0.084})^{-1}\) correct to 1 decimal place.

  • A. 1.3
  • B. 2.5
  • C. 4.6
  • D. 3.2

40.  Evaluate log\(_2\) 8 – log\(_3\) \(\frac{1}{9}\)

  • A. -1 1\(\frac{1}{2}\)
  • B. -1
  • C. 1
  • D. 5
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