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 541: The midpoint of the segment of the line y = 4x + 3 which lies between the x-ax 1 is and the y-ax 1 is Options:
  A) ($\frac{3}{2}$, $\frac{3}{2}$)
  B) ($\frac{2}{3}$, $\frac{3}{2}$)
  C) ($\frac{3}{8}$, $\frac{3}{2}$)
  D) (-$\frac{3}{8}$, $\frac{3}{2}$)
  Show Answer
  The correct answer is D .
• Question 542: In $△$XYZ, XY = 3cm, XZ = 5cm and YZ = 7cm. If the bisector of XYZ meets XZ at W, what is the length of XW? Options:
  A) 1.5cm
  B) 2.5cm
  C) 3cm
  D) 4cm
  E) None of the above
  Show Answer
  The correct answer is A .
• Question 543: Oke deposited ₦800.00 in the bank at the rate of 12$\frac{1}{2}$% simple interest. After some time the total amount was one and half times the principal. For how many years was the money left in the bank? Options:
  A) 2$\frac{2}{3}$
  B) 4
  C) 5$\frac{1}{3}$
  D) 8
  Show Answer
  The correct answer is B .
• Question 544:

  Given that A = {1, 5, 7}

  B = {3, 9, 12, 15}

  C = {2, 4, 6, 8}

  Find (A ∪ B) ∪ C

  Options:
  A) {1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}
  B) {1, 2, 3, 5, 6, 8, 12, 15}
  C) {2, 4, 5, 9, 12, 15}
  D) {1, 5, 6, 7, 8, 9, 12, 15}
  Show Answer
  The correct answer is A .
• Question 545: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 546:

  

  The equation of the graph is

  Options:
  A) y = (x - 3)³
  B) y = (x + 3)³
  C) y = x³ - 27
  D) y = -x³ + 27
  Show Answer
  The correct answer is C .
• Question 547: Make 'n' the subject of the formula if w = $\frac{v(2+cn)}{1-cn}$ Options:
  A) $\frac{1}{c}(\frac{w-2v}{v+w})$
  B) $\frac{1}{c}(\frac{w-2v}{v-w})$
  C) $\frac{1}{c}(\frac{w+2v}{v-w})$
  D) $\frac{1}{c}(\frac{w+2v}{v+w})$
  Show Answer
  The correct answer is A .
• Question 548: 7 pupils of average age 12 years leave a class of 25 pupils of average age 14 years. If 6 new pupils of average age of 11 years join the class, what is the average age of the pupils now in the class? Options:
  A) 13 years
  B) 12 years 7$\frac{1}{2}$ months
  C) 13 years 5 months
  D) 13 years 10 months
  E) 11 years
  Show Answer
  The correct answer is D .
• Question 549: A polynomial in x whose zeros are -2, -1 and 3 is Options:
  A) x³ - 7x + 6
  B) x³ + 7x - 6
  C) x³ + 7x + 6
  D) x³ - 7x - 6
  Show Answer
  The correct answer is D .
• Question 550: If x varies directly as y³ and x = 2 when y = 1, find x when y = 5 Options:
  A) 2
  B) 10
  C) 125
  D) 250
  Show Answer
  The correct answer is D .