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 2131: 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 2132: 5, 8, 6 and k occur with frequency 3, 2, 4, and 1 respectively an d have a mean of 5.7. Find the value of k Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .
• Question 2133: The sum of the first three terms of a geometric progression is half its sum to infinity. Find the positive common ratio of the progression. Options:
  A) $\frac{1}{4}$
  B) $\sqrt{\frac{3}{2}}$
  C) $\frac{1}{\sqrt{3}}$
  D) $\frac{1}{\sqrt{2}}$
  Show Answer
  The correct answer is B .
• Question 2134:

  Evaluate ${}^{n^2+1}$C${}_{n+5}$ if n = 3

  Options:
  A) 55
  B) 45
  C) 35
  D) 25
  Show Answer
  The correct answer is B .
• Question 2135: If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively. Find the product of the modal and the median number Options:
  A) 36
  B) 48
  C) 30
  D) 40
  Show Answer
  The correct answer is A .
• Question 2136:

  A wire was shaped to form a square of area 81cm². An equilateral triangle was formed by the same wire,What is the length of a side of the triangle formed?

  Options:
  A) 3cm
  B) 6cm
  C) 9cm
  D) 12cm
  E) 27cm
  Show Answer
  The correct answer is D .
• Question 2137:

  

  The table above shows the number of pupils in each age group in a class. What is the probability that a pupil chosen at random is at least 1 years old?

  Options:
  A) ²⁷/₄₀
  B) ¹⁷/₂₀
  C) ³/₃₀
  D) ³³/₄₀
  Show Answer
  The correct answer is B .
• Question 2138: The graph of f(x) = x² - 5x + 6 crosses the x-axis at the points Options:
  A) (-6, 0), (-1, 0)
  B) (-3, 0), (-2,0)
  C) (-6, 0),(1, 0)
  D) (2, 0), (3, 0)
  Show Answer
  The correct answer is D .
• Question 2139:

  A room is 12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room.

  Options:
  A) $\frac{15}{17}$
  B) $\frac{9}{17}$
  C) $\frac{8}{15}$
  D) $\frac{12}{17}$
  Show Answer
  The correct answer is A .
• Question 2140: From the diagram above, find the bearing of R and S Options:
  A) 226${}^{\circ }$
  B) 224${}^{\circ }$
  C) 136${}^{\circ }$
  D) 134${}^{\circ }$
  Show Answer
  The correct answer is B .