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 471: An aeroplane flies due north from airport P to Q and then flies due east R. If Q is equidistant from P and R, find the bearing of P and R Options:
  A) 90${}^{\circ }$
  B) 135${}^{\circ }$
  C) 225${}^{\circ }$
  D) 270${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 472: Construct a quadratic equation whose roots are -$\frac{3}{2}$ and 7 Options:
  A) 3x² + 11x + 21 = 0
  B) 2x² + 11x + 21 = 0
  C) 2x² - 11x – 21 = 0
  D) 3x² - 11x - 21 = 0
  E) x² - 11x – 21 = 0
  Show Answer
  The correct answer is C .
• Question 473:

  Evaluate$({101}_{two}{)}^3$

  Options:
  A) ${111101}_{two}$
  B) ${11111101}_{two}$
  C) ${1111101}_{two}$
  D) ${11001}_{two}$
  Show Answer
  The correct answer is C .
• Question 474: If x - 3 is directly proportional to the square of y and x = 5 when y =2, find x when y = 6. Options:
  A) 30
  B) 21
  C) 16
  D) 12
  Show Answer
  The correct answer is B .
• Question 475:

  

  The pie chart above shows the expenditure of a family whose income is N30.000. If the expenditure on food is twice that on housing and that on school fees is twice that on transport, how much does the family spend on food?

  Options:
  A) N28,000
  B) N12,500
  C) N15,000
  D) N25,000
  Show Answer
  The correct answer is B .
• Question 476: If the locus of the points which are equidistant from point P and Q meets line PQ at point N, then PN equals Options:
  A) NQ
  B) ¹/₄NQ
  C) 2NQ
  D) ¹/₂NQ
  Show Answer
  The correct answer is A .
• Question 477:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 478: If p : q = $\frac{2}{3}$ : $\frac{5}{6}$ and q : r = $\frac{3}{4}$ : $\frac{1}{2}$, find p : q : r Options:
  A) 12 : 15 : 10
  B) 12 : 15 : 16
  C) 10 : 15 : 24
  D) 9 : 10 : 15
  Show Answer
  The correct answer is A .
• Question 479: 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 480:

  The locus of a point equidistant from two intersecting lines is

  Options:
  A) where the sum of the distances of two focal points is fixed
  B) the collection of points that are equally distant from a fixed point and a line
  C) the perpendicular bisector of the lines
  D) pair of bisectors of the angles between the two lines
  Show Answer
  The correct answer is D .