Mathematics 2018 Past Questions | JAMB
Study the following Mathematics past questions and answers for JAMB, WAEC 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.
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