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 2341: The numbers 3, 2, 8, 5, 7, 12, 9 and 14 are the marks scored by a group of students in a class test. If P is scored by an group of students in a class test. If P is the mean and Q the median, the P + Q is Options:
  A) 18
  B) 17$\frac{1}{2}$
  C) 16
  D) 15
  Show Answer
  The correct answer is D .
• Question 2342: If $P=\sqrt{\frac{r{s}^3}{t}}$, express r in terms of p, s and t Options:
  A) $\frac{p^{2}t}{s^3}$
  B) $\frac{p^{3}t}{s^3}$
  C) $\frac{p^{3}t}{s^2}$
  D) $\frac{p^t}{s^3}$
  Show Answer
  The correct answer is A .
• Question 2343:

  

  In the diagram P, Q, R, S are points on the circle RQS = 30^o. PRS = 50^o and PSQ = 20^o. What is the value of x^o + y^o?

  Options:
  A) 260^o
  B) 130^o
  C) 100^o
  D) 80^o
  Show Answer
  The correct answer is B .
• Question 2344: Evaluate $\frac{2}{6-5\sqrt{3}}$ Options:
  A) $-(\frac{12}{39}-\frac{10\sqrt{3}}{39})$
  B) $\frac{12}{39}-\frac{10\sqrt{3}}{39}$
  C) $-(\frac{12}{39}+\frac{10\sqrt{3}}{39})$
  D) $\frac{12}{39}+\frac{10\sqrt{3}}{39}$
  Show Answer
  The correct answer is C .
• Question 2345: The sum of the first n positive integers is Options:
  A) ¹/₂ n(n-1)
  B) n(n+1)
  C) n(n-1)
  D) ¹/₂ n(n-1)
  Show Answer
  The correct answer is D .
• Question 2346: If the first term of an AP is 1.2 and the common difference is also 2, what is the mean of the first five terms? Options:
  A) 2
  B) 4
  C) 6
  D) 8
  E) 10
  Show Answer
  The correct answer is C .
• Question 2347: 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 2348: If the function y = 5x is graphed, what would be its intercept on the y-axis? Options:
  A) 5
  B) $\frac{1}{5}$
  C) 1
  D) 2
  E) zero
  Show Answer
  The correct answer is E .
• Question 2349:

  The 4th term of an A.P is 13 while the 10th term is 31. Find the 21st term

  Options:
  A) 175
  B) 85
  C) 64
  D) 45
  Show Answer
  The correct answer is C .
• Question 2350: What is the integral value of x which satisfy the inequality -1 < 3 -2x $\le$ 5? Options:
  A) -1. 0, 1, 2
  B) -2, 1, 0 , -1
  C) 0, 1, 2
  D) -1, 0, 1
  Show Answer
  The correct answer is D .