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 1171: If P = $\frac{2}{3}$ ($\frac{1-r^2}{n^2}$), find n when r = $\frac{1}{3}$ and p = 1 Options:
  A) $\frac{3}{2}$
  B) $\frac{1}{3}$
  C) 3
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is D .
• Question 1172: 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 1173:

  The area of an ellipse is 132cm². The length of its major axis is 14cm. Find the length of it minor axis.

  Options:
  A) 10.5cm
  B) 5cm
  C) 10cm
  D) 12cm
  Show Answer
  The correct answer is D .
• Question 1174:

  Solve for x: 3(x 1) ≤ 2 (x 3)

  Options:
  A) x ≤ -3
  B) x ≥ -3
  C) x ≤ 3
  D) x ≥ 3
  Show Answer
  The correct answer is A .
• Question 1175: Evaluate $\int$(cos4x + sin3x)dx Options:
  A) sin4x - cos3x + k
  B) sin4x + cos3x + k
  C) $\frac{1}{4}$sin4x - $\frac{1}{3}$cos3x + k
  D) $\frac{1}{4}$sin4x + $\frac{1}{3}$cos3x + k
  Show Answer
  The correct answer is C .
• Question 1176:

  

  The histogram above represents the number of candidates that sat for Mathematics examination in a school. How many candidate scored more than 50 marks?

  Options:
  A) 80
  B) 95
  C) 100
  D) 115
  Show Answer
  The correct answer is B .
• Question 1177:

  A cylindrical tank has a capacity of 3080 m³. What is the depth of the tank if the diameter of its base is 14 m?

  (Take pi = 22/7)

  Options:
  A) 23 m
  B) 25 m
  C) 20 m
  D) 22 m
  Show Answer
  The correct answer is C .
• Question 1178: Let p be a probability function on set S, where S = (a₁, a₂, a₃, a₄). Find P(a₁) if P(a₂) = $\frac{1}{3}$, p(a₃) = $\frac{1}{6}$ and p(a₄) = $\frac{1}{5}$ Options:
  A) $\frac{7}{3}$
  B) $\frac{2}{3}$
  C) $\frac{1}{3}$
  D) $\frac{3}{10}$
  Show Answer
  The correct answer is D .
• Question 1179: 22$\frac{1}{2}$% of the Nigerian Naira is equal to 17$\frac{1}{10}$% of a foreign currency M. What is the conversion rate of the M to the Naira? Options:
  A) 1M = 1$\frac{15}{57}$N
  B) 1M = 38$\frac{1}{4}$N
  C) 1M = 1$\frac{18}{57}$N
  D) 1M = 384$\frac{3}{4}$N
  Show Answer
  The correct answer is C .
• Question 1180: Evaluate Log₂8 + Log₂16 - Log₂4 Options:
  A) 3
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is C .