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 2881:

  

  In the figure above, PQR is a straight line segment, PQ = QT. Triangle PQT is an isosceles triangle, ∠SQR is 75${}^{\circ }$ and ∠QPT is 25${}^{\circ }$. Calculate the value of ∠RST.

  Options:
  A) 45${}^{\circ }$
  B) 55${}^{\circ }$
  C) 25${}^{\circ }$
  D) 50${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 2882: 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 2883: A world congress of mathematicians were held in Nice in 1970 with 800 people participating. There were 300 from Europe, 200 from America, 150 from Asia, 45 from Africa and 105 from Australia. Representing the above on a pie chart, the angle of the sector representing the participant is Options:
  A) 150^o
  B) 67$\frac{1}{2}$^o
  C) 67^o
  D) 135^o
  E) 68^o
  Show Answer
  The correct answer is B .
• Question 2884: If log₃18 + log₃3 - log₃x = 3, Find x. Options:
  A) 1
  B) 2
  C) o
  D) 3
  Show Answer
  The correct answer is B .
• Question 2885: Two lines PQ and ST intersect at 75${}^{\circ }$. The locus of points equidistant from PQ and ST lies on the Options:
  A) perpendicular bisector of PQ
  B) perpendicular bisector of ST
  C) bisector of the angles between lines PQ and ST
  D) bisector of the sngels between lines PT and Qs
  Show Answer
  The correct answer is C .
• Question 2886: 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 2887:

  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 2888:

  Correct each of the numbers 59.81798 and 0.0746829 to three significant figures and multiply them, giving your answer to three significant figures

  Options:
  A) 4.46
  B) 4.48
  C) 4.47
  D) 4.49
  E) 4.50
  Show Answer
  The correct answer is C .
• Question 2889: If f(x) = 2x² - 5x + 3, find f(x + 1) Options:
  A) 2x² - x
  B) 2x² - x + 10
  C) 4x² + 3x + 2
  D) 4x² + 3x + 12
  Show Answer
  The correct answer is A .
• Question 2890: 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 .