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 1281: 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 1282: By selling an article for ₦45.00 a man makes a profit of 8%. For how much should he have sold it in order to make a profit of 32%? Options:
  A) ₦180.00
  B) ₦59.90
  C) ₦63.00
  D) ₦58.00
  E) ₦55.00
  Show Answer
  The correct answer is E .
• Question 1283: Determine the maximum value of y = 3x² - x³ Options:
  A) zero
  B) 2
  C) 4
  D) 6
  Show Answer
  The correct answer is C .
• Question 1284:

  Determine the values for which $x^2-7x+10\le 0$

  Options:
  A) 2 $\le$ x $\ge$ 5
  B) -2 $\le$ x $\le$ 3
  C) -2 $\le$ x $\ge$ 3
  D) 2 $\le$ x $\le$ 5
  Show Answer
  The correct answer is D .
• Question 1285: A chord of a circle subtends an angle of 60${}^{\circ }$ at the length of a circle of radius 14 cm. Find the length of the chord Options:
  A) 7 cm
  B) 14 cm
  C) 21 cm
  D) 28 cm
  Show Answer
  The correct answer is B .
• Question 1286:

  

  If PST is a straight line and PQ = QS = SR in the diagram, find y.

  Options:
  A) 24${}^{\circ }$
  B) 48${}^{\circ }$
  C) 72${}^{\circ }$
  D) 84${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1287: Differentiate (cos θ - sin θ)² Options:
  A) -2 cos 2θ
  B) -2 sin2θ
  C) 1 - 2 cos 2θ
  D) 1 - 2 sin 2θ
  Show Answer
  The correct answer is A .
• Question 1288:

  Find the equation of a line perpendicular to the line 4y = 7x + 3 which passes through (-3, 1)

  Options:
  A) 7y + 4x + 5 = 0
  B) 7y - 4x - 5 = 0
  C) 3y - 5x + 2 = 0
  D) 3y + 5x - 2 = 0
  Show Answer
  The correct answer is A .
• Question 1289: A chord of circle of radius 7cm is 5cm from the centre of the maximum possible area of the square? Options:
  A) 4√6 cm
  B) 3√6 cm
  C) 6√6 cm
  D) 2√6 cm
  Show Answer
  The correct answer is A .
• Question 1290: If a $\ast$ b = + $\sqrt{ab}$, evaluate 2 $\ast$(12 $\ast$ 27) Options:
  A) 12
  B) 9
  C) 6
  D) 2
  Show Answer
  The correct answer is C .