## 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