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 921: From a point P, the bearings of two points Q and R are N67⁰W and N23⁰E respectively. If the bearing of R from Q is N68⁰E and PQ = 150m, calculate PR Options:
  A) 120m
  B) 140m
  C) 150m
  D) 160m
  Show Answer
  The correct answer is C .
• Question 922: Factorize k² - 2kp + p². Options:
  A) (k +p)²
  B) (k - p)²
  C) k² + p²
  D) k² - p²
  Show Answer
  The correct answer is B .
• Question 923: Simplify $\frac{3}{x}+\frac{15}{2y}+\frac{6}{xy}$ Options:
  A) $\frac{2y-5x}{4}$
  B) $\frac{9(2x-5x)}{x^2{y}^2}$
  C) $\frac{5x-2y}{2}$
  D) $\frac{c^2{y}^2}{18y-45x}$
  E) $\frac{4}{2y-5x}$
  Show Answer
  The correct answer is A .
• Question 924: If w varies inversely as V and U varies directly as w³, Find the relationship between u and v given that u = 1, when v = 2 Options:
  A) u = $\frac{8}{v^3}$
  B) v = $\frac{8}{u^2{v}^3}$
  C) u = 8v³
  D) v = 8u²
  Show Answer
  The correct answer is A .
• Question 925: Find the value of P if the line joining (P, 4) and (6, -2) is perpendicular to the line joining (2, P) and (-1, 3). Options:
  A) 4
  B) 6
  C) 3
  D) zero
  Show Answer
  The correct answer is D .
• Question 926: Simplify (25)^-1/₂ x (27)¹/₃ + (121)^-1/₂ x (625)^-1/₄ Options:
  A) ³⁴/₅₅
  B) ⁹/₁₁
  C) ¹⁴/₅
  D) ³/₂₇₅
  Show Answer
  The correct answer is A .
• Question 927: If y = 3 cos 4x, dy/dx equals Options:
  A) 6 sin 8x
  B) -24 sin 4x
  C) 12 sin 4x
  D) -12 sin 4x
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  The correct answer is D .
• Question 928:

  

  In the Figure FD\AC, the area of AEF = 6sq.cm. AE = 3cm, BC = 3cm, CD = 5cm, < BCD is an obtuse angle. Find the length of BD.

  Options:
  A) $\sqrt{33}$
  B) 6
  C) 4
  D) 2$\sqrt{13}$
  E) 4$\sqrt{5}$
  Show Answer
  The correct answer is D .
• Question 929: In $△$XYZ, XY = 3cm, XZ = 5cm and YZ = 7cm. If the bisector of XYZ meets XZ at W, what is the length of XW? Options:
  A) 1.5cm
  B) 2.5cm
  C) 3cm
  D) 4cm
  E) None of the above
  Show Answer
  The correct answer is A .
• Question 930: if P and Q are fixed points and X is a point which moves so that XP = XQ, the locus of X is Options:
  A) A straight line
  B) a circle
  C) the bisector of angle PXQ
  D) the perpendicular bisector of PQ
  Show Answer
  The correct answer is D .