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 1901: In a school, there are 35 students in Class 2A and 40 in class 2B. The mean score for class 2A in an English literature examination is 60.0 and that for 2B in the same paper is 52.5. Find to one place of decimals, the mean for the combined classes. Options:
  A) 1.5
  B) 56.0
  C) 56.2
  D) 56.3
  E) 56.5
  Show Answer
  The correct answer is B .
• Question 1902: If two angles of a triangle are 30^o each and the longest side is 10cm. Calculate the length of each of the other sides Options:
  A) 5cm
  B) 4cm
  C) 3√3 cm
  D) 10$\frac{3}{3}$cm
  Show Answer
  The correct answer is D .
• Question 1903:

  Find the range of values of x which satisfies the inequality 12x² < x + 1.

  Options:
  A) -$\frac{1}{4}$ < x < $\frac{1}{3}$
  B) $\frac{1}{4}$ < x < -$\frac{1}{3}$
  C) -$\frac{1}{3}$ < x < $\frac{1}{4}$
  D) -$\frac{1}{4}$ < x < - $\frac{1}{3}$
  Show Answer
  The correct answer is A .
• Question 1904: Find the median of the numbers 89, 141, 130, 161, 120, 131, 131, 100, 108 and 119 Options:
  A) 131
  B) 125
  C) 123
  D) 120
  Show Answer
  The correct answer is B .
• Question 1905: Find ${\int }_0^1$ cos4 x dx Options:
  A) $\frac{3}{4}$ sin 4x + k
  B) -$\frac{1}{4}$ sin 4x + k
  C) -$\frac{3}{4}$ sin 4x + k
  D) $\frac{1}{4}$ sin 4x + k
  Show Answer
  The correct answer is D .
• Question 1906: Determine the maximum value of y = 3x² - x³ Options:
  A) zero
  B) 2
  C) 4
  D) 6
  Show Answer
  The correct answer is C .
• Question 1907: A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pope is 10cm.Find the volume of metal used in making 3m of the pipe. Options:
  A) 153$\pi$cm³
  B) 207$\pi$cm³
  C) 15 300$\pi$cm³
  D) 20 700$\pi$cm³
  Show Answer
  The correct answer is D .
• Question 1908: Evaluate (2.813 x 10^-3 x 1.063) (5.637 x 10^-2) Options:
  A) 0.056
  B) 0.055
  C) 0.054
  D) 0.54
  Show Answer
  The correct answer is B .
• Question 1909:

  

  The mean score is

  Options:
  A) 7.0
  B) 8.7
  C) 9.5
  D) 11.0
  Show Answer
  The correct answer is B .
• Question 1910: 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 .