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 2321: The sum of the first n terms of an arithmetic progresssion is 252. If the first term is -16 and the last term is 72, find the number of terms in the series Options:
  A) 6
  B) 7
  C) 8
  D) 9
  Show Answer
  The correct answer is D .
• Question 2322: In a class of 46 students, 22 play football and 26 play volleyball. If 3 students play both games, how many play neither? Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is A .
• Question 2323: The weight W kg of a metal bar varies jointly as its length L meters and the square of its diameter d meters. If w = 140 when d = 4²/₃ and L = 54, find d in terms of W and L. Options:
  A) $\sqrt{\frac{42W}{5L}}$
  B) $\sqrt{\frac{6L}{42W}}$
  C) $\frac{42W}{5L}$
  D) $\frac{5L}{42W}$
  Show Answer
  The correct answer is A .
• Question 2324: The factors of 6x - 5 - x² are Options:
  A) -(x + 3)(x + 2)
  B) (x + 5)(x + 1)
  C) (x - 5)(1 - x)
  D) (x + 5)(x + 50
  Show Answer
  The correct answer is C .
• Question 2325: Find the value of $\frac{tan{60}^o-tan{30}^o}{tan{60}^o+tan{30}^o}$ Options:
  A) 1
  B) $\frac{1}{2}$
  C) $\frac{3}{\sqrt{3}}$
  D) $\frac{2}{\sqrt{3}}$
  Show Answer
  The correct answer is B .
• Question 2326: Simplify $\frac{\sqrt{5}(\sqrt{147}-\sqrt{12}}{\sqrt{15}}$ Options:
  A) 5
  B) $\frac{1}{5}$
  C) $\frac{1}{9}$
  D) 9
  Show Answer
  The correct answer is A .
• Question 2327: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 2328:

  

  The sketch is the curve of y = ax² + bx + c. Find a, b and c respectively

  Options:
  A) 1, 0, -4
  B) -2, 2, -4
  C) 0, 1, -4
  D) 2, -2, -4
  E) 2, -2, -4
  Show Answer
  The correct answer is A .
• Question 2329: 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 .
• Question 2330: If tan α = $\frac{1}{2}$ and tan β = $\frac{1}{3}$ and both α and β are acute, find tan (α + β). Options:
  A) 0.015
  B) 1
  C) 10
  D) 39.81
  E) 45
  Show Answer
  The correct answer is B .