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 1871: Reduce each number to two significant figures and then evaluate $\frac{0.021741\times 1.2047}{0.023789}$ Options:
  A) 0.8
  B) 0.9
  C) 1.1
  D) 1.2
  Show Answer
  The correct answer is C .
• Question 1872:

  

  In the figure, PS = 7cm and RY = 9cm. IF the area of parallelogram PQRS is 56cm². Find the area of trapezium PQTS

  Options:
  A) 56cm²
  B) 112cm²
  C) 120cm²
  D) 176cm²
  Show Answer
  The correct answer is C .
• Question 1873: Evaluate 64.764² - 35.2362 correct to 3 significant figures Options:
  A) 2960
  B) 2950
  C) 2860
  D) 2850
  Show Answer
  The correct answer is B .
• Question 1874: What value of s will make the function x(4-x) a maximum Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .
• Question 1875: Solve for x and y respectively
  3x - 5y = 9
  6x - 4y = 12 Options:
  A) $\frac{3}{4}$, 1
  B) $\frac{4}{3}$, 1
  C) $\frac{3}{4}$, -1
  D) $\frac{4}{3}$, -1
  Show Answer
  The correct answer is D .
• Question 1876:

  Find the equation of the line through the points (5, 7) parallel to the line 7x + 5y = 12.

  Options:
  A) 5x + 7y = 120
  B) 7x + 5y = 70
  C) x + y = 7
  D) 15x + 17y = 90
  Show Answer
  The correct answer is B .
• Question 1877: Factorize completely the expression abx² + 6y - 3ax - 2byx Options:
  A) (ax - 2y)(bx - 3)
  B) (bx + 3)(2y - ax)
  C) (bx + 3)(ax - 2y)
  D) (ax - 2y)(ax - b)
  Show Answer
  The correct answer is A .
• Question 1878: An isosceles triangle of sides 13cm, 13cm, 10cm is inscribed in a circle. What is the radius of the circle? Options:
  A) 7$\frac{1}{24}$cm
  B) 12cm
  C) 8cm
  D) 7cm
  E) 69cm
  Show Answer
  The correct answer is A .
• Question 1879:

  

  In the diagram PQ is parallel to RS. What is the value of $\alpha +\beta +\gamma$

  Options:
  A) 180${}^{\circ }$
  B) 90${}^{\circ }$
  C) 360${}^{\circ }$
  D) 200${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1880:

  

  The cumulative frequency curve represents the ages of ages of students in a school. What age group do 70% of the students belongs?

  Options:
  A) 17.5 - 20.5
  B) 16.5 - 19.5
  C) 15.5 - 19.5
  D) 15.5 - 18.5
  Show Answer
  The correct answer is A .