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 901: Simplify $\frac{1}{5x+5}$ + $\frac{1}{7x+7}$ Options:
  A) $\frac{12}{35x+1}$
  B) $\frac{1}{35(x+1)}$
  C) $\frac{12x}{35(x+7)}$
  D) $\frac{12}{35x+35}$
  Show Answer
  The correct answer is A .
• Question 902: if x : y = 5 : 12 and z = 52cm, find the perimeter of the triangle Options:
  A) 68cm
  B) 84cm
  C) 100cm
  D) 120cm
  Show Answer
  The correct answer is D .
• Question 903:

  

  Find the value of x in the figure above

  Options:
  A) 15√6
  B) 20√6
  C) 3√6
  D) 5√6
  Show Answer
  The correct answer is D .
• Question 904:

  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 .
• Question 905:

  

  PQRST is a regular pentagon and PQVU is a rectangle with U and V lying on TS and SR respectively as shown in the diagram. Calculate TUP

  Options:
  A) 18${}^{\circ }$
  B) 54${}^{\circ }$
  C) 90${}^{\circ }$
  D) 108${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 906: Find y, if $\left(\begin{array}{cc}5& -6\\ 2& -7\end{array}\right)\left(\begin{array}{c}5\\ 2\end{array}\right)=\left(\begin{array}{c}7\\ -11\end{array}\right)$ Options:
  A) 8
  B) 5
  C) 3
  D) 2
  Show Answer
  The correct answer is C .
• Question 907:

  Score (x)	0	1	2	3	4	5	6
  Freq (f)	5	7	3	7	11	6	7

  Find the variance

  Options:
  A) 3.42
  B) 4.69
  C) 4.85
  D) 3.72
  Show Answer
  The correct answer is D .
• Question 908:

  

  In the diagram above ∠OPQ is

  Options:
  A) 90${}^{\circ }$
  B) 53${}^{\circ }$
  C) 36${}^{\circ }$
  D) 26${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 909: Factorize x² + 2a + ax + 2x Options:
  A) (x + 2a)(x + 1)
  B) (x + 2a)(x - 1)
  C) (x² - 1)(x - a)
  D) (x + 2)(x + a)
  Show Answer
  The correct answer is D .
• Question 910: The angle of depression of a boat from the top of a cliff 10m high is 30. How far is the boat from the foot of the cliff? Options:
  A) $\frac{5\surd 3m}{3}$
  B) 5√3m
  C) 10√3m
  D) $\frac{10\surd 3m}{3}$
  Show Answer
  The correct answer is C .