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 1291: Factorize completely x²+2xy + y²+3x + 3y - 18 Options:
  A) (x+y+6)(x+y-3)
  B) (x-y-6)(x-y+3)
  C) (x-y+6)(x-y-3)
  D) (x+y-6)(x+y+3)
  Show Answer
  The correct answer is A .
• Question 1292:

  If y varies inversely as x and x = 3 when y =4. Find the value of x when y = 12

  Options:
  A) 4
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is B .
• Question 1293:

  The simple interest on ₦8550 for 3 years at x% per annum is ₦4890. Calculate the value of x to the nearest whole number.

  Options:
  A) 19%
  B) 20%
  C) 25%
  D) 16.3%
  Show Answer
  The correct answer is A .
• Question 1294: If f (x) = 3x - 2, P = $\left(\begin{array}{cc}2& 1\\ -1& 0\end{array}\right)$ and I is 2 X 2 identity matrix, evaluate f(P) Options:
  A) $\left(\begin{array}{cc}6& 3\\ -3& 0\end{array}\right)$
  B) $\left(\begin{array}{cc}2& 0\\ 0& 2\end{array}\right)$
  C) $\left(\begin{array}{cc}8& 3\\ -3& 2\end{array}\right)$
  D) $\left(\begin{array}{cc}4& 3\\ -3& -2\end{array}\right)$
  Show Answer
  The correct answer is D .
• Question 1295:

  The table below is drawn for a graph y = x³ - 3x + 1.

  $\begin{array}{cccccccc}x& -3& -2& -1& 0& 1& 2& 3\\ y=x^3-3x+1& 1& -1& 3& 1& -1& 3& 1\end{array}$

  From x = -2 to x = 1, the graph crosses the x-axis in the range(s)

  Options:
  A) -1 < x < 0 and 0 < x < 1
  B) -2 < x < -1 and 0 < x < 1
  C) -2 < x < -1 and -1 < x < 0
  D) 0 < x < 1
  Show Answer
  The correct answer is B .
• Question 1296: Compute 110011₂ + 11111₂ Options:
  A) 1001010₂
  B) 1010010₂
  C) 1000110₂
  D) 1000100₂
  Show Answer
  The correct answer is B .
• Question 1297: Find the mean of t + 2, 2t - 4, 3t + 2 and 2t. Options:
  A) t + 1
  B) 2t
  C) 2t + 1
  D) t
  Show Answer
  The correct answer is B .
• Question 1298:

  200 tickets were sold for a show. VIP tickets costs ₦1,200 and ₦700 for regular. Total amount realised from the sale of the tickets was ₦180,000. Find the number of VIP tickets sold and the the number of regular ticket sold.

  Options:
  A) VIP = 80, Regular = 100
  B) VIP = 60, Regular = 120
  C) VIP = 60, Regular = 100
  D) VIP = 80, Regular = 120
  Show Answer
  The correct answer is D .
• Question 1299: Find ∫(sin x + 2)dx Options:
  A) cos x + x² + K
  B) cos x 2x + K
  C) -cos x + x² + K
  D) -cos x + 2x + K
  Show Answer
  The correct answer is D .
• Question 1300:

  

  In the diagram above, find the value of x

  Options:
  A) 55${}^{\circ }$
  B) 50${}^{\circ }$
  C) 45${}^{\circ }$
  D) 40${}^{\circ }$
  Show Answer
  The correct answer is C .