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 761:

  If $f(x)=3x^3+4x^2+x-8$, what is the value of f(-2)?

  Options:
  A) -24
  B) 30
  C) -18
  D) -50
  Show Answer
  The correct answer is C .
• Question 762: Rationalize $\frac{2\sqrt{3}+3\sqrt{2}}{3\sqrt{2}-2\sqrt{3}}$ Options:
  A) 5 - 2$\sqrt{6}$
  B) 5 + 2$\sqrt{6}$
  C) 5$\sqrt{6}$
  D) 5
  Show Answer
  The correct answer is B .
• Question 763: In preparing rice cutlets, a cook used 75g of rice, 40g of margarine, 105g of meat and 20g of bread crumbs. Find the angle of the sector which represents meat in pie chart Options:
  A) 30^o
  B) 60^o
  C) 112.5^o
  D) 157.5^o
  Show Answer
  The correct answer is D .
• Question 764: Each of the interior angles of a regular polygon is 140^o. How many sides has the polygon? Options:
  A) 9
  B) 8
  C) 7
  D) 5
  Show Answer
  The correct answer is A .
• Question 765: Find the equation of a line which is from the origin and passes through the point (−3, −4) Options:
  A) y = $\frac{3x}{4}$
  B) y = $\frac{4x}{3}$
  C) y = $\frac{2x}{3}$
  D) y = $\frac{x}{2}$
  Show Answer
  The correct answer is B .
• Question 766: What are the values of y which satisfy the equation gy - 4 x 3^y + 3 = 0? Options:
  A) -1 and 0
  B) -1 and 1
  C) 1 and 3
  D) 0 and 1
  Show Answer
  The correct answer is D .
• Question 767: If sec² $\theta$ + tan² $\theta$ = 3, then the angle $\theta$ is equal to Options:
  A) 30${}^{\circ }$
  B) 45${}^{\circ }$
  C) 60${}^{\circ }$
  D) 90${}^{\circ }$
  E) 105${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 768: if x - 1 and x + 1 are both factors of the equation x ³ + px² + qx + 6 = 0, evaluate p and q Options:
  A) -6, -1
  B) 6, 1
  C) 1, -1
  D) 6, -6
  Show Answer
  The correct answer is A .
• Question 769: If U = (s, p, i, e, n, d, o, u, r), X = (s, p, e, n, d) Y = (s, e, n, o, u), Z = (p, n, o, u, r) find X ∩ Y ∪ Z Options:
  A) (p, o, u, r)
  B) (s, p, d, r)
  C) (p, n, d)
  D) (n, d, u)
  Show Answer
  The correct answer is C .
• Question 770:

  

  The diagram is a circle with centre O. Find the area of the shaded portion.

  Options:
  A) 9($\pi -2)c{m}^2$
  B) 18$\pi c{m}^2$
  C) 9$\pi c{m}^2$
  D) 36$\pi c{m}^2$
  Show Answer
  The correct answer is A .