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 1391: The slope of the tangent to the curve $y=2x^2-2x+5$ at the point $(1,6)$ is Options:
  A) 4
  B) 1
  C) 6
  D) 5
  E) 3
  Show Answer
  The correct answer is C .
• Question 1392: A stone Q is tied to a point P vertically above Q by an inelastic string of length 2 meters. How high does the stone rise when the string is inclined at an angle 60^o to the vertical? Options:
  A) It does not rise
  B) 2$\sqrt{3}$ meters
  C) 3 meters
  D) 1 meters
  E) 3
  Show Answer
  The correct answer is D .
• Question 1393: A rectangular polygon of (2k + 1) sides has 140^o as the size of each interior angle. Find k Options:
  A) 4
  B) 4$\frac{1}{2}$
  C) 8
  D) 8$\frac{1}{2}$
  Show Answer
  The correct answer is A .
• Question 1394: The value of (0.03)³ - (0.02)³ is Options:
  A) 0.019
  B) 0.0019
  C) 0.00019
  D) 0.000019
  E) 0.000035
  Show Answer
  The correct answer is D .
• Question 1395: A ship sails a distance of 50km in the direction S50°E and then sails a distance of 50km in the direction ₦40°E. FInd the bearing of the ship from the original position. Options:
  A) S90°E
  B) ₦40°E
  C) S95°E
  D) ₦85°E
  Show Answer
  The correct answer is D .
• Question 1396:

  

  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 1397: If y = (1 - 2x)², find the value of dy/dx at x = -1 Options:
  A) 57
  B) 27
  C) -6
  D) -54
  Show Answer
  The correct answer is D .
• Question 1398: Multiply (x + 3y + 5) by (2x² + 5y + 2) Options:
  A) 2x² + 3yx² + 10xy + 15y² + 13y + 10x² + 2x + 10
  B) 2x³ + 6yx² + 5xy + 5y² + 31y + 5x² + 2x + 10
  C) 2x³ + 6xy² + 5xy + 15y² + 12y + 10x² + 2x = 10
  D) 2x² + 6xy² + 5xy + 15y² + 13y + 10x² + 2x + 10
  E) 2x³ + 2yx² + 10xy + 10y² + 31y + 5x² + 10
  Show Answer
  The correct answer is B .
• Question 1399: If T = 2 π √¹/_g, make g the subject of the formula Options:
  A) (4π l²) / T
  B) (4π²l) / T²
  C) (4π²l²) / T²
  D) (2π√l) / T
  Show Answer
  The correct answer is B .
• Question 1400:

  $\begin{array}{cccccccc}\text{Marks}& 2& 3& 4& 5& 6& 7& 8\\ \text{No. of students}& 3& 1& 5& 2& 4& 2& 3\end{array}$

  From the table above, if the pass mark is 5, how many students failed the test?

  Options:
  A) 6
  B) 2
  C) 9
  D) 7
  Show Answer
  The correct answer is C .