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 1001: The 3rd term of an A.P is 4x - 2y and the 9th term is 10x - 8y. Find the common difference. Options:
  A) 19x - 17y
  B) 8x - 4y
  C) x - y
  D) 2x
  Show Answer
  The correct answer is C .
• Question 1002:

  If $\sin x=\frac{4}{5}$, find $\frac{1+{\cot }^{2}x}{{\csc }^{2}x-1}$.

  Options:
  A) $\frac{13}{2}$
  B) $\frac{25}{9}$
  C) $\frac{3}{13}$
  D) $\frac{4}{11}$
  Show Answer
  The correct answer is B .
• Question 1003: PQRS is a cyclic quadrilateral. If ∠QPS = 75^o, what is the size of ∠QRS? Options:
  A) 180^o
  B) 150^o
  C) 105^o
  D) 75^o
  Show Answer
  The correct answer is C .
• Question 1004: Factorize completely x² + 12xy + y + 3x + 3y - 18 Options:
  A) (x + y + 6)(x + y -3)
  B) (x - y - 6)(x - y + 3)
  C) (x - y + 6)(x - y - 3)
  D) (x + y - 6)(x + y + 3)
  Show Answer
  The correct answer is A .
• Question 1005: Find the positive value of x if the standard deviation of the numbers 1, x + 1 is 6 Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is C .
• Question 1006: The arithmetic mean of the ages of 30 pupils in a class is 15.3 years. One boy leaves the class and one girl is enrolled, and the new average age of 30 pupils in the class becomes 15.2 years. How much older is the boy than the girl?
  Options:
  A) 30 years
  B) 6 years
  C) 9 years
  D) 3 years
  E) 1 year
  Show Answer
  The correct answer is D .
• Question 1007: Find n if log₂4 + log₂7 - log₂n = 1 Options:
  A) 10
  B) 14
  C) 27
  D) 28
  Show Answer
  The correct answer is B .
• Question 1008: If -2 is the solution of the equation 2x + 1 - 3c = 2c + 3x - 7, find the value of c. Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .
• Question 1009: If A = (−3,5) and B = (4,−1) find the co-ordinate of the mid point Options:
  A) 2, ½
  B) ½ , 2
  C) 1, ½
  D) 0, 2
  Show Answer
  The correct answer is B .
• Question 1010: If log_x¹/264 = 3, find the value of x Options:
  A) 4
  B) 16
  C) 32
  D) 64
  Show Answer
  The correct answer is B .