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 461: If two angles of a triangle are 30^o each and the longest side is 10cm. Calculate the length of each of the other sides Options:
  A) 5cm
  B) 4cm
  C) 3√3 cm
  D) 10$\frac{3}{3}$cm
  Show Answer
  The correct answer is D .
• Question 462:

  

  The angles marked in the figure are measured in degrees. Find x.

  Options:
  A) 45${}^{\circ }$
  B) 90${}^{\circ }$
  C) 60${}^{\circ }$
  D) 15${}^{\circ }$
  E) 30${}^{\circ }$
  Show Answer
  The correct answer is E .
• Question 463:

  Integrate the expression 6x${}^2$ - 2x + 1

  Options:
  A) 3x${}^3$ - 2x${}^2$ + x + c
  B) 2x${}^3$ - x${}^2$ + x + c
  C) 2x${}^3$ – 3x${}^2$ + c
  D) x${}^3$ + x${}^2$ – x + c
  Show Answer
  The correct answer is B .
• Question 464: The sum of the first n terms of the arithmetic progression 5, 11, 17, 23, 29, 35, ... is Options:
  A) n(3n - 0.5)
  B) n(3n + 2)
  C) n(3n + 2.5)
  D) n(3n + 5)
  Show Answer
  The correct answer is B .
• Question 465: Find the value of x in the equation: 9x = 729 Options:
  A) 81
  B) 27
  C) 18
  D) 9
  E) 3
  Show Answer
  The correct answer is A .
• Question 466:

  

  In the diagram, QP//ST:PQR = 34${}^{\circ }$ QRS = 73${}^{\circ }$ and RS = RT. Find SRT

  Options:
  A) 68${}^{\circ }$
  B) 102${}^{\circ }$
  C) 107${}^{\circ }$
  D) 141${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 467: If 3^2y + 6(3^y) = 27. Find y Options:
  A) 3
  B) -1
  C) 2
  D) -3
  E) 1
  Show Answer
  The correct answer is E .
• Question 468: A cone is formed by bending a sector of a circle having an angle of 210^o. Find the radius of the base of the cone if the diameter of the circle is 12cm. Options:
  A) 12cm
  B) 7.00cm
  C) 1.75cm
  D) 21cm
  E) 3.50cm
  Show Answer
  The correct answer is E .
• Question 469:

  A surveyor walks 500m up a hill which slopes at an angle of 30${}^o$. Calculate the vertical height through which he rises

  Options:
  A) 252m
  B) 500m
  C) 250m
  D) 255m
  Show Answer
  The correct answer is C .
• Question 470: Rationalize 5 ÷ (2 − √3) Options:
  A) 3(2 + √5)
  B) 2(3 + √5)
  C) 5(2 + √3)
  D) 3 √2 + 1
  Show Answer
  The correct answer is C .