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 2481: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 2482: If y = x cos x, find dy/dx Options:
  A) sin x - x cos x
  B) sin x + x cos x
  C) cos x + x sin x
  D) cos x - x sin x
  Show Answer
  The correct answer is D .
• Question 2483: A cuboid has a diagonal of length 9cm and a square base of side 4cm. What is its height? Options:
  A) 9cm
  B) 65cm
  C) 42cm
  D) 7cm
  E) 6.5cm
  Show Answer
  The correct answer is D .
• Question 2484: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 2485:

  Each of the interior angles of a regular polygon is 140°. How many sides has the polygon?

  Options:
  A) 9
  B) 8
  C) 7
  D) 5
  Show Answer
  The correct answer is A .
• Question 2486: P and Q are fixed points and X is a variable point which moves so that angle PXO = 45^o. What is the locus of x? Options:
  A) A pair of straight lines parallel to PQ
  B) The perpendicular bisector of PQ
  C) An arc of a circle passing through P and Q
  D) A circle with diameter PQ
  E) The bisector of angle PXQ
  Show Answer
  The correct answer is A .
• Question 2487: W $\alpha$ L² and W = 6 when L = 4. If L = $\sqrt{17}$, find W. Options:
  A) 6$\frac{3}{8}$
  B) $\frac{7}{8}$
  C) $\frac{1}{8}$
  D) $\frac{5}{8}$
  Show Answer
  The correct answer is A .
• Question 2488: A side of a rhombus is 2cm in length. An angle of the rhombus is 60^o. What is the length of the diagonal facing this angle? Options:
  A) 2cm
  B) 8cm
  C) 4cm
  D) 2$\sqrt{3}$cm
  E) 16cm
  Show Answer
  The correct answer is D .
• Question 2489: The locus of a point which is equidistant from two given fixed points is the Options:
  A) perpendicular bisector of the straight line joining them
  B) parallel line to the straight line joining them
  C) transverse to the straight line joining them
  D) angle bisector of 90^o which the straight line joining them makes with the horizontal
  Show Answer
  The correct answer is A .
• Question 2490:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .