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 1601: If the function f(fx) = x³ + 2x² + qx - 6 is divisible by x + 1, find q Options:
  A) -5
  B) -2
  C) 2
  D) 5
  Show Answer
  The correct answer is A .
• Question 1602: Find the mean deviation of 1, 2, 3 and 4. Options:
  A) 2.5
  B) 2.0
  C) 1.0
  D) 1.5
  E) 1.2
  Show Answer
  The correct answer is C .
• Question 1603: PQR is the diagram of a semicircle RSP with centre at Q and radius of length 3.5cm. If QPT = 60^o. Find the perimeter of the figure PTRS. $\pi$ = $\frac{22}{7}$ Options:
  A) 25cm
  B) 18cm
  C) 36cm
  D) 29cm
  E) 25.5cm
  Show Answer
  The correct answer is A .
• Question 1604: A particle p moves between points S and T such that angle SPT is always constant. Find the locus of P. Options:
  A) it is a straight line perpendicular to ST.
  B) it is a quadrant of a circle with ST as diameter
  C) it is a perpendicular bisector of ST
  D) it is a semi-circle with ST as diameter
  Show Answer
  The correct answer is D .
• Question 1605: Find the distance between two towns p(45^o N, 30^oW) and Q(15^oS, 30^oW) if the radius of the earth is 7000km. [$\pi =\frac{22}{7}$] Options:
  A) $\frac{1100}{3}$km
  B) $\frac{2200}{3}$km
  C) $\frac{22000}{3}$km
  D) $\frac{1100}{3}$km
  Show Answer
  The correct answer is C .
• Question 1606: Simplify $\frac{1}{(x+1)}+\frac{1}{(x-1)}$ Options:
  A) 2x/(x + 1)(x−3)
  B) 2/(x + 1)(x−1)
  C) 2x/(x + 1)2
  D) 2x(x+1)2
  Show Answer
  The correct answer is B .
• Question 1607: If k + 1; 2k - 1, 3k + 1 are three consecutive terms of a geometric progression, find the possible values of the common ratio Options:
  A) 0, 8
  B) -1, $\frac{5}{3}$
  C) 2, 3
  D) 1, -1
  Show Answer
  The correct answer is B .
• Question 1608: If 0.0000152 x 0.042 = A x 10⁸, where 1 $\le$ A < 10, find A and B. Options:
  A) A = 9, B = 6.38
  B) A = 6.38, B = -9
  C) A = -6.38, B = -9
  D) A = -9, B = -6.38
  Show Answer
  The correct answer is B .
• Question 1609: The first and last term of a linear sequence (AP) are 6 and 10 respectively. If the sum of the sequence is 40. Find the number of terms. Options:
  A) nth = 3
  B) nth = 4
  C) nth = 5
  D) nth = 6
  Show Answer
  The correct answer is C .
• Question 1610:

  The angle of elevation and depression of the top and bottom of another building, measured from the top of a 24 m tall building, is 30° and 60°, respectively. Determine the second building's height.

  Options:
  A) 24 m
  B) 32√3 m
  C) 24√3
  D) 32 m
  Show Answer
  The correct answer is D .