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 2271: If the hypotenuse of a right-angled isosceles triangle is 2cm , what is the area of the triangle? Options:
  A) $\frac{1}{\sqrt{2}}$ cm²
  B) 1 cm²
  C) $\sqrt{2}$cm²
  D) 2$sqrt2$cm²
  Show Answer
  The correct answer is B .
• Question 2272:

  

  The shaded portion in the Venn diagram is

  Options:
  A) x $\cap$ z
  B) x${}^{\circ }$ $\cap$ y $\cap$ z
  C) x $\cap$ y${}^{\circ }$ $\cap$ z
  D) x $\cap$ y $\cap$ z${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 2273:

  The table shown gives the marks scored by a group of student in a test. Use the table to answer the question given.

  Mark	0	1	2	3	4	5
  Frequency	1	2	7	5	4	3

  What is the probability of selecting a student from the group that scored 2 or 3?

  Options:
  A) $\frac{1}{11}$
  B) $\frac{5}{22}$
  C) $\frac{7}{22}$
  D) $\frac{6}{11}$
  Show Answer
  The correct answer is D .
• Question 2274: What is the solution of the equation x² - x - 1 + 0? Options:
  A) x = 1.6 and x = -0.6
  B) x = -1.6 and x = 0.6
  C) x = 1.6 and x = 0.6
  D) x = -1.6 and x = -0.6
  Show Answer
  The correct answer is A .
• Question 2275:

  What is the n-th term of the sequence 2, 6, 12, 20...?

  Options:
  A) 4n - 2
  B) 2(3^{n - 1})
  C) n² + n
  D) n² + 3n + 2
  Show Answer
  The correct answer is C .
• Question 2276:

  Find the value of y if ${402}_y={102}_{ten}$

  Options:
  A) 4
  B) 2
  C) 5
  D) 3
  Show Answer
  The correct answer is C .
• Question 2277: p varies directly as the square of q and inversely as r. If p = 36, when q = 36, when q = 3 and r = 4, find p when q = 5 and r = 2 Options:
  A) 72
  B) 100
  C) 90
  D) 200
  E) 125
  Show Answer
  The correct answer is D .
• Question 2278: If x and y represent the mean and the median respectively of the following set of numbers 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, find the $\frac{x}{y}$ correct to one decimal place Options:
  A) 18
  B) 15
  C) 1.0
  D) 5
  Show Answer
  The correct answer is C .
• Question 2279: A trader in country where their currency 'MONI'(M) is in base five bought 103₅ oranges at M14₅ each. If he sold the oranges at M24₅ each, what will be his gain? Options:
  A) 103₅
  B) 1030₅
  C) 102₅
  D) 2002₅
  E) 3032₅
  Show Answer
  The correct answer is B .
• Question 2280:

  

  The shaded region above is represented by the equation

  Options:
  A) y ≤ 4x + 2
  B) y ≥ 4x + 2
  C) y ≤ -4x + 4
  D) y ≤ 4x + 4
  Show Answer
  The correct answer is C .