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 1261:

  

  In the figure, PQST is a parallelogram and TSR is a straight line. If the area of $△$QRS is 20cm², find the area of the trapezium PQRT.

  Options:
  A) 35cm²
  B) 65cm²
  C) 70cm²
  D) 140cm²
  Show Answer
  The correct answer is C .
• Question 1262:

  The quadratic equation whose roots are 1 - $\sqrt{13}$ and 1 + $\sqrt{13}$ is

  Options:
  A) x² + (1 - $\sqrt{13}$)x + 1 + $\sqrt{13}$ = 0
  B) x² - 2x - 12 = 0
  C) x² - 2x + 12 = 0
  D) x² + 12 + 2x² = 0
  Show Answer
  The correct answer is C .
• Question 1263: Evaluate 3(x + 2) > 6(x + 3)
  Options:
  A) x < 4
  B) x > -4
  C) x < -4
  D) x > 4
  Show Answer
  The correct answer is C .
• Question 1264: Two triangles have the same areas if Options:
  A) two sides in one triangle are equal to two sides in the other
  B) three sides in one triangle are equal to three sides in the other
  C) two angles in the triangle are equal to two angles in the other
  D) three angles in one triangle are equal to three angles in the other
  E) one side and the opposite angle in one triangle are equal to one side and the opposite angle in the other
  Show Answer
  The correct answer is D .
• Question 1265: Find the distance between two towns p(45^o N, 30^oW) and Q(15^oS, 30^oW) if the radius of the earth is 7000km. [$\pi =\frac{22}{7}$] Options:
  A) $\frac{1100}{3}$km
  B) $\frac{2200}{3}$km
  C) $\frac{22000}{3}$km
  D) $\frac{1100}{3}$km
  Show Answer
  The correct answer is C .
• Question 1266: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 1267:

  Find the derivative of y = ( $\frac{1}{3}$x + 6)

  Options:
  A) 2( $\frac{1}{3}$x + 6
  B) $\frac{2}{3}$ ( $\frac{1}{3}$x + 6)
  C) $\frac{2}{3}$ ( $\frac{1}{3}$x + 6)²
  D) $\frac{1}{3}$ ( $\frac{1}{3}$x + 6)²
  Show Answer
  The correct answer is B .
• Question 1268: 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 1269: If (25)^{x - 1} = 64($\frac{5}{2}$)⁶, then x has the value Options:
  A) 7
  B) 4
  C) 32
  D) 64
  E) 5
  Show Answer
  The correct answer is B .
• Question 1270: After what length of time will N2400.00 yield an interest of N60.00 at 1$\frac{1}{2}$% per annum? Options:
  A) 2$\frac{4}{5}$ years
  B) 1$\frac{2}{3}$ years
  C) 1$\frac{1}{2}$ years
  D) 1 years
  E) $\frac{3}{5}$ year
  Show Answer
  The correct answer is B .