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 1441: Find the equation of the locus of a point P(x,y) such that PV = PW, where V = (1,1) and W = (3,5) Options:
  A) 2x + 2y = 9
  B) 2x + 3y = 8
  C) 2x + y = 9
  D) x + 2y = 8
  Show Answer
  The correct answer is D .
• Question 1442:

  

  In the figure, MNQP is a cyclic quadrilateral. MN and Pq are produced to meet at X and NQ and MP are produced to meet at Y. If MNQ = 86${}^{\circ }$ and NQP = 122${}^{\circ }$ find (x${}^{\circ }$, y${}^{\circ }$)

  Options:
  A) 28${}^{\circ }$, 36${}^{\circ }$
  B) 36${}^{\circ }$, 28${}^{\circ }$
  C) 43${}^{\circ }$, 61${}^{\circ }$
  D) 61${}^{\circ }$, 43${}^{\circ }$
  E) 36${}^{\circ }$, 43${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1443: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 1444: Solve for r in the following equation $\frac{1}{r-1}$ + $\frac{2}{r+1}$ = $\frac{3}{r}$ Options:
  A) 3
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is A .
• Question 1445: 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 1446: Find the locus of a particle which moves in the first quadrant so that it is equidistant from the lines x = 0 and y = 0 (where k is a constant) Options:
  A) x + y = 0
  B) x - y = 0
  C) x + y + k = 0
  D) x - y - k = 0
  Show Answer
  The correct answer is B .
• Question 1447:

  The table below shows the frequency of children of age x years in a hospital:

  x	1	2	3	4	5	6	7	8
  f	3	4	5	6	7	6	5	4

  Use the table to answer the question below:

  How many children are in the hospital

  Options:
  A) 36
  B) 40
  C) 44
  D) 50
  Show Answer
  The correct answer is B .
• Question 1448:

  Find the values of x for which

  $\frac{x+2}{4}-\frac{2x-3}{3}<4$

  Options:
  A) x < 8
  B) x > -6
  C) x < 4
  D) x > -3
  Show Answer
  The correct answer is B .
• Question 1449:

  If $4{\sin }^{2}x-3=0$, find the value of x, when 0° $\le$ x $\le$ 90°

  Options:
  A) 90°
  B) 45°
  C) 60°
  D) 30°
  Show Answer
  The correct answer is C .
• Question 1450: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .