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 1231:

  The angles of a polygon are given by 2x, 5x, x and 4x respectively. The value of x is

  Options:
  A) 31°
  B) 30°
  C) 26°
  D) 48°
  Show Answer
  The correct answer is B .
• Question 1232: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1233: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1234: On each market day Mrs. Bassey walks to the market from her home at a steady speed. This journey normally takes her 2 hours to complete. She finds, however, that by increasing her usual speed by 1 km/hr she can save 20 minutes. Find her usual speed in km/hr Options:
  A) 1$\frac{2}{3}$
  B) 2
  C) 5
  D) 6
  E) 10
  Show Answer
  The correct answer is C .
• Question 1235: 3 girls share a number of apples in the ration 5:3:2. If the highest share is 40 apples, find the smallest share Options:
  A) 36
  B) 24
  C) 16
  D) 38
  Show Answer
  The correct answer is C .
• Question 1236: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1237: What is the rate of change of the volume v of a hemisphere with respect to its radius r when r = 2? Options:
  A) 8π
  B) 16π
  C) 2π
  D) 4π
  Show Answer
  The correct answer is A .
• Question 1238: If f(x - 2) = 3x² + 4x + 1. Find the area of the sector Options:
  A) 8
  B) 40
  C) 7
  D) 24
  E) 32
  Show Answer
  The correct answer is B .
• Question 1239:

  If given two points A(3, 12) and B(5, 22) on a x-y plane. Find the equation of the straight line with intercept at 2.

  Options:
  A) y = 5x + 2
  B) y = 5x + 3
  C) y = 12x + 2
  D) y = 22x + 3
  Show Answer
  The correct answer is A .
• Question 1240: The binary operation $\oplus$ is defined by x $\ast$ y = xy - y - x for all real values x and y. If x $\ast$ 3 = 2$\ast$, find x Options:
  A) -1
  B) 4
  C) 1
  D) 5
  Show Answer
  The correct answer is C .