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 211: If P = {1,2,3,4,5} and P $\cup$ Q = {1,2,3,4,5,6,7}, list the elements in Q Options:
  A) {6}
  B) {7}
  C) {6,7}
  D) {5,6}
  Show Answer
  The correct answer is C .
• Question 212:

  Evaluate$({101}_{two}{)}^3$

  Options:
  A) ${111101}_{two}$
  B) ${11111101}_{two}$
  C) ${1111101}_{two}$
  D) ${11001}_{two}$
  Show Answer
  The correct answer is C .
• Question 213: Three children shared a basket of mangoes in such a way that the first child took $\frac{1}{4}$ of the mangoes and the second $\frac{3}{4}$ of the remainder. What fraction of the mangoes did the third child take? Options:
  A) $\frac{3}{16}$
  B) $\frac{7}{16}$
  C) $\frac{9}{16}$
  D) $\frac{13}{16}$
  Show Answer
  The correct answer is A .
• Question 214: Factorize k² - 2kp + p². Options:
  A) (k +p)²
  B) (k - p)²
  C) k² + p²
  D) k² - p²
  Show Answer
  The correct answer is B .
• Question 215: Solve the inequality y² - 3y > 18
  Options:
  A) -3 < y < 6
  B) y < -3 or y > 6
  C) y > -3 or y > 6
  D) y < 3 or y < 6
  Show Answer
  The correct answer is A .
• Question 216:

  

  Find the value of x in the figure above.

  Options:
  A) 20$\sqrt{3}$cm
  B) 10$\sqrt{3}$cm
  C) 5$\sqrt{3}$cm
  D) 4$\sqrt{3}$cm
  Show Answer
  The correct answer is B .
• Question 217:

  Two numbers are respectively 35% and 80% more than a third number. The ratio of the two numbers is

  Options:
  A) 7 : 16
  B) 3 : 4
  C) 16 : 7
  D) 4 : 3
  Show Answer
  The correct answer is B .
• Question 218: 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 219: Calculate the perimeter of a sector of a circle of raduis 12cm and angle 60^o. Options:
  A) (12 + 4$\pi$)cm
  B) (24 + 4$\pi$)cm
  C) (12 + 6$\pi$)cm
  D) (24 + 6$\pi$)cm
  Show Answer
  The correct answer is B .
• Question 220: Find the rate of change of the volume, V of a sphere with respect to its radius, r when r = 1. Options:
  A) 12π
  B) 4π
  C) 24π
  D) 8π
  Show Answer
  The correct answer is B .