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 2691:

  i. S∩T∩W = S
  ii. S∪T∪W = W
  ii. T∩W = S

  If S$\subset$T$\subset$W. Which of the above statements are true?

  Options:
  A) i and ii
  B) i and iii
  C) ii and iii
  D) i, ii and iii
  Show Answer
  The correct answer is B .
• Question 2692: Factorize 2y² - 15xy + 18x² Options:
  A) (2y - 3x) (y + 6x)
  B) (2y - 3x) (y - 6x)
  C) (2y + 3x) (y - 6x)
  D) (3y + 2x) (y - 6x)
  Show Answer
  The correct answer is B .
• Question 2693:

  

  The shaded area in the diagram above is represented by

  Options:
  A) {(x, y) : y + 3x < 6}
  B) {(x , y) : y + 3x < -6}
  C) {(x, y) : y - 3x < 6}
  D) {(x, y) : y - 3x < 6}
  E) {x, y) : y - 3x < -6}
  Show Answer
  The correct answer is A .
• Question 2694: If the minimum value of y = 1 + hx - 3x² is 13, find h. Options:
  A) 13
  B) 12
  C) 11
  D) 10
  Show Answer
  The correct answer is B .
• Question 2695:

  

  In the figure, TSP = PRQ, QR = 8cm, PR = 6cm and ST = 12cm. Find the length SP.

  Options:
  A) 4cm
  B) 16cm
  C) 9cm
  D) 14cm
  E) Impossible, insufficient data
  Show Answer
  The correct answer is B .
• Question 2696:

  If Q is$\left[\begin{array}{cc}9& -2\\ -7& 4\end{array}\right]$, then |Q| is

  Options:
  A) -50
  B) -22
  C) 22
  D) 50
  Show Answer
  The correct answer is C .
• Question 2697:

  The probability of an event A is 1/5. The probability of B is 1/3 . The probability both A and B is 1/15. What is the probability of either event A or B or both?

  Options:
  A) $\frac{2}{15}$
  B) $\frac{3}{4}$
  C) $\frac{7}{15}$
  D) $\frac{1}{15}$
  Show Answer
  The correct answer is C .
• Question 2698: If the sum of the first two terms of a G.P. is 3, and the sum of the second and the third terms is -6, find the sum of the first term and the common ratio Options:
  A) -2
  B) -3
  C) -5
  D) 5
  Show Answer
  The correct answer is C .
• Question 2699: Simplify $\frac{5^x\times {25}^{x-1}}{{125}^{x-1}}$ Options:
  A) 5^{2x + 1}
  B) 5^{x + 1}
  C) 5^-5
  D) 5²
  E) 5³
  Show Answer
  The correct answer is C .
• Question 2700:

  4, 16, 30, 20, 10, 14 and 26 are represented on a pie chart. Find the sum of the angles of the bisectors representing all numbers equals to or greater than 16.

  Options:
  A) 48^o
  B) 84^o
  C) 92^o
  D) 276^o
  Show Answer
  The correct answer is D .