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 141:

  Simplify $(\sqrt[3]{64a^3}{)}^{-1}$

  Options:
  A) 4a
  B) 1/8a
  C) 8a
  D) 1/4a
  Show Answer
  The correct answer is D .
• Question 142: In a figure, PQR = 60^o, PRS = 90^o, RPS = 45^o, QR = 8cm. Determine PS Options:
  A) 2$\sqrt{3}$cm
  B) 4$\sqrt{6}$cm
  C) 2$\sqrt{6}$cm
  D) 8$\sqrt{6}$cm
  E) 8cm
  Show Answer
  The correct answer is B .
• Question 143:

  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 144: A man is 40m from the foot of a cliff of height 23m. Calculate the angle of elevation of the top of the cliff from the man Options:
  A) 50° 54′
  B) 35° 06′
  C) 30° 00′
  D) 290 90′
  E) 29° 54′
  Show Answer
  The correct answer is E .
• Question 145: If y = 3 cos 4x, dy/dx equals Options:
  A) 6 sin 8x
  B) -24 sin 4x
  C) 12 sin 4x
  D) -12 sin 4x
  Show Answer
  The correct answer is D .
• Question 146:

  

  Which of the following equations represents the graph above?

  Options:
  A) y = 2 + 7x + 4x²
  B) y = 2 - 7x + 4x²
  C) y = 2 + 7x - 4x²
  D) y = 2 - 7x - 4x²
  Show Answer
  The correct answer is D .
• Question 147: Using the graph find the values of p and q if px + qy $\ge$ 4 Options:
  A) p = 2, q = -1
  B) p = -1, q = 2
  C) p = 2, q = 2
  D) p = 1, q = 2
  Show Answer
  The correct answer is B .
• Question 148: Factorize x² + 2a + ax + 2x Options:
  A) (x + 2a)(x + 1)
  B) (x + 2a)(x - 1)
  C) (x² - 1)(x - a)
  D) (x + 2)(x + a)
  Show Answer
  The correct answer is D .
• Question 149: If log₁₀2 = 0.3010 and log₁₀7 = 0.8451, evaluate log₁₀280 Options:
  A) 3.4471
  B) 2.4471
  C) 1.4471
  D) 1.4071
  Show Answer
  The correct answer is B .
• Question 150:

  

  In the diagram above, a cylinder is summounted by a hemisphere bowl. Calculate the volume of the solid.

  Options:
  A) 180 πcm³
  B) 162 πcm³
  C) 216 πcm³
  D) 198 πcm³
  Show Answer
  The correct answer is D .