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 2221:

  

  Determine the value of x in the figure.

  Options:
  A) 134${}^{\circ }$
  B) 81${}^{\circ }$
  C) 53${}^{\circ }$
  D) 46${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 2222: If y = (2x + 1)³ find dy/dx Options:
  A) 3(2x+1)²
  B) 6(2x+1)
  C) 3(2x+1)
  D) 6(2x+1)²
  Show Answer
  The correct answer is D .
• Question 2223: Find a two-digit number such that three times the tens digit is 2 less than twice the units digit, and twice the number is 20 greater than the number obtained by reversing the digits. Options:
  A) 24
  B) 42
  C) 74
  D) 47
  E) 72
  Show Answer
  The correct answer is D .
• Question 2224: Find the sum of the range and the mode of the set of numbers 10, 9, 10, 9, 8, 7, 7, 10, 8, 10, 8, 4, 6, 9, 10, 9, 10, 9, 7, 10, 6, 5 Options:
  A) 16
  B) 14
  C) 12
  D) 10
  Show Answer
  The correct answer is A .
• Question 2225: The value of $(0.303{)}^3-(0.02{)}^3$ is Options:
  A) 0.019
  B) 0.0019
  C) 0.00019
  D) 0.000019
  E) 0.0278
  Show Answer
  The correct answer is E .
• Question 2226: Simplify ($\frac{1}{x^{-1}}+\frac{1}{y^{-1}}$)^-1 Options:
  A) $\frac{x}{y}$
  B) xy
  C) $\frac{x}{y}$
  D) (xy)^-1
  Show Answer
  The correct answer is C .
• Question 2227: A particle P moves between points S and T such that angles SPT is always constant of ST constant. Find the locus off P Options:
  A) It is a semi circle with ST as diameter
  B) It is a perpendicular bisector of St
  C) It is a quadrant of a circle with ST as diameter
  D) It is a straight line perpendicular to ST
  Show Answer
  The correct answer is A .
• Question 2228: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 2229: Find the derivatives of the function y = 2x²(2x - 1) at the point x = -1 Options:
  A) 18
  B) 16
  C) -4
  D) -6
  Show Answer
  The correct answer is B .
• Question 2230:

  

  The table above shows that the scores of a group of students in a test. If the average score is 3.5, find the value of x

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