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 2121: A ship sails 6km from a port on a bearing 070° and then 8km on a bearing of 040°. Find the distance from the port. Options:
  A) 7.21km
  B) 13.53km
  C) 16.86km
  D) 44.57km
  E) 67.17km
  Show Answer
  The correct answer is B .
• Question 2122:

  

  Calculate the volume of the regular three-dimensional figure drawn above, where <ABC = 90° (a right-angled triangle).

  Options:
  A) 394 cm${}^3$
  B) 425 cm${}^3$
  C) 268 cm${}^3$
  D) 540 cm${}^3$
  Show Answer
  The correct answer is D .
• Question 2123: If x + 1 is a factor of x³ + 3x² + kx + 4, find the value of k Options:
  A) 6
  B) -6
  C) 8
  D) -8
  Show Answer
  The correct answer is A .
• Question 2124:

  If 1011₂ + x₇ = 25₁₀, solve for X.

  Options:
  A) 20₇
  B) 14₇
  C) 20₇
  D) 24₇
  Show Answer
  The correct answer is A .
• Question 2125:

  If the binary operation $\ast$ is defined by m $\ast$ n = mn + m + n for any real number m and n, find the identity of the elements under this operation

  Options:
  A) e = 1
  B) e = -1
  C) e = -2
  D) e = 0
  Show Answer
  The correct answer is D .
• Question 2126:

  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 .
• Question 2127: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 2128: If sinθ = ³/₅. Find Tanθ Options:
  A) ³/₄
  B) ³/₅
  C) ²/₅
  D) ¹/₄
  Show Answer
  The correct answer is A .
• Question 2129: Make $\frac{a}{x}$ the subject of formula $\frac{x+1}{x-a}$ Options:
  A) $\frac{m-1}{m+1}$
  B) $\frac{m+1}{1-m}$
  C) $\frac{m-1}{1+m}$
  D) $\frac{m+1}{m-1}$
  Show Answer
  The correct answer is A .
• Question 2130:

  The area of a trapezium is 200 cm${}^2$. Its parallel sides are in the ratio 2 : 3 and the perpendicular distance between them is 16 cm. Find the length of each of the parallel sides.

  Options:
  A) 10 cm and 15 cm
  B) 8 cm and 12 cm
  C) 6 cm and 9 cm
  D) 12 cm and 18 cm
  Show Answer
  The correct answer is A .