Mathematics Exam Past Questions and Answers | JAMB, WAEC and NECO

Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.

• Question 1591:

  The slope of the tangent to the curve y = 3x² - 2x + 5 at the point (1, 6) is

  Options:
  A) 4
  B) 1
  C) 6
  D) 5
  Show Answer
  The correct answer is A .
• Question 1592: Solve the following equation (3x - 2)(5x - 4) = (3x - 2)² Options:
  A) $\frac{-2}{3}$, 1
  B) 1
  C) $\frac{2}{3}$, 1
  D) $\frac{2}{3}$, $\frac{4}{5}$
  Show Answer
  The correct answer is C .
• Question 1593:

  

  In the figure, the chords XY and ZW are produced to meet at T such that YT = WT, ZYW = 40${}^{\circ }$ and YTW = 30${}^{\circ }$. What is YXW?

  Options:
  A) 50${}^{\circ }$
  B) 75${}^{\circ }$
  C) 35${}^{\circ }$
  D) 115${}^{\circ }$
  E) 30${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1594: The solutions of x² - 2x - 1 = 0 are the points of intersection of two graphs. if one of the graphs is y = 2 + x - x², find the second graph Options:
  A) y = 1 - x
  B) y = 1 + x
  C) y = x - 1
  D) y = 3x + 3
  Show Answer
  The correct answer is A .
• Question 1595:

  

  In the diagram MN is a chord of a circle KMN centre O and radius 10cm. If < MON = 140^o, find, correct to the nearest cm, the length of the chord MN.

  Options:
  A) 19cm
  B) 18cm
  C) 17cm
  D) 12cm
  Show Answer
  The correct answer is A .
• Question 1596: If sine x equals cosine x, what is x in radians? Options:
  A) $\frac{\pi }{2}$
  B) $\frac{\pi }{3}$
  C) $\frac{\pi }{4}$
  D) $\frac{\pi }{6}$
  E) $\frac{\pi }{12}$
  Show Answer
  The correct answer is C .
• Question 1597:

  If S = (4t + 3)(t - 2), find ds/dt when t = 5 secs.

  Options:
  A) 50 units per sec
  B) 35 units per sec
  C) 22 units per sec
  D) 13 units per sec
  Show Answer
  The correct answer is B .
• Question 1598: For an arithmetical sequence, the first term is 2 and the common difference is 3. Find the sum of the first 11 terms Options:
  A) 157
  B) 187
  C) 197
  D) 200
  Show Answer
  The correct answer is B .
• Question 1599: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 1600:

  Calculate the length of an arc of a circle diameter 14 cm, which subtends an angle of 90${}^{\circ }$ at the center of the circle

  Options:
  A) 7π/2 cm
  B) 7π cm
  C) 14π cm
  D) 7π/4 cm
  Show Answer
  The correct answer is A .