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 2721:

  Evaluate the following limit: $li{m}_{x\to 2}\frac{x^2+4x-12}{x^2-2x}$

  Options:
  A) 4
  B) 8
  C) 0
  D) 2
  Show Answer
  The correct answer is A .
• Question 2722: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 2723: Which of these angles can be constructed using ruler and a pair of compasses only? Options:
  A) 115^o
  B) 125^o
  C) 135^o
  D) 145^o
  Show Answer
  The correct answer is C .
• Question 2724: 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 2725: What is the number whose logarithm to base 10 is 2.3482? Options:
  A) 223
  B) 2228
  C) 2.235
  D) 22.37
  E) 0.2229
  Show Answer
  The correct answer is E .
• Question 2726: Evaluate $\frac{(05652-04375{)}^2}{0.04}$ correct to three significant figures Options:
  A) 3.11
  B) 3.13
  C) 0.313
  D) 3.12
  Show Answer
  The correct answer is B .
• Question 2727:

  

  The graph above is represented by

  Options:
  A) y = x³ - 4x² + 5x - 2
  B) y = x³ - 3x - 2
  C) y = x³ - 4x + 2
  D) y = x³ + 2x² - x - 2
  Show Answer
  The correct answer is D .
• Question 2728: Given that log 2 = 0.3010, log 7 = 0.8451. Evaluate log 112. Options:
  A) 2.1461
  B) 2.0491
  C) 3.1461
  D) 2.5441
  Show Answer
  The correct answer is B .
• Question 2729:

  

  Use the graph of the curve y = f(x)to solve the inequality f(x) $\le$ 0

  Options:
  A) -1 $\ge$ x $\ge$ 1, x $\ge$ 2
  B) x $\le$ -1, 1 $\ge$ x $\ge$ 2
  C) x $\ge$ -1, 1 $\ge$ x $\ge$ 2
  D) x $\ge$ 2, -1 $\ge$ x $\ge$ 1
  Show Answer
  The correct answer is B .
• Question 2730:

  

  In the figure, PQRS is a square of sides 8cm. What is the area of $△$UVW?

  Options:
  A) 64 sq. cm
  B) 40 sq.cm
  C) 50 sq.cm
  D) 10 sq.cm
  Show Answer
  The correct answer is D .