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 1: If ⁿP₃ - 6(ⁿC₄) = 0, find the value of n Options:
  A) 5
  B) 6
  C) 7
  D) 8
  Show Answer
  The correct answer is C .
• Question 2: In a school, 220 students offer Biology or Mathematics or both. 125 offer Biology and 110 mathematics. How many offer Biology but not Mathematics? Options:
  A) 95
  B) 80
  C) 125
  D) 110
  Show Answer
  The correct answer is D .
• Question 3: Express 123456 to 3 significant figures Options:
  A) 123 000
  B) 124 000
  C) 125 000
  D) 126 000
  Show Answer
  The correct answer is A .
• Question 4: If the exterior angles of a pentagon are x^o, (x + 5)^o, (x + 10), (x + 15)^o and (x + 20)^o, find x Options:
  A) 118^o
  B) 72^o
  C) 62^o
  D) 36^o
  Show Answer
  The correct answer is C .
• Question 5: Evaluate $\frac{1.25\times 0.025}{0.05}$, correct to 1 decimal place Options:
  A) 0.6
  B) 6.2
  C) 6.3
  D) 0.5
  Show Answer
  The correct answer is A .
• Question 6:
  

  Find the volume of the composite solid above.

  Options:
  A) 2048 cm${}^3$
  B) 2568 cm${}^3$
  C) 2672 cm${}^3$
  D) 1320 cm${}^3$
  Show Answer
  The correct answer is B .
• Question 7: 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 8: Two numbers are removed at random from the numbers 1, 2, 3 and 4. What is the probability that the sum of the numbers removed is even? Options:
  A) $\frac{2}{3}$
  B) $\frac{2}{15}$
  C) $\frac{1}{2}$
  D) $\frac{1}{4}$
  Show Answer
  The correct answer is C .
• Question 9: Find the range of values of x for which 7x - 3 > 25 + 3x Options:
  A) x >7
  B) x<7
  C) x>-7
  D) x
  Show Answer
  The correct answer is A .
• Question 10:

  If D = $\left[\begin{array}{ccc}2& -1& 3\\ 4& 1& 2\\ 1& -3& 1\end{array}\right]$

  Find |D|

  Options:
  A) 16
  B) 14
  C) -23
  D) -37
  Show Answer
  The correct answer is C .