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 331: A chord of a circle of a diameter 42cm subtends an angle of 60^o at the centre of the circle. Find the length of the mirror arc Options:
  A) 22cm
  B) 44cm
  C) 110cm
  D) 220cm
  Show Answer
  The correct answer is A .
• Question 332: Solve the following equation (3x - 2)(5x - 4) = (3x - 2)² Options:
  A) $\frac{-2}{3}$, 1
  B) 1
  C) $\frac{2}{3}$, 1
  D) $\frac{2}{3}$, $\frac{4}{5}$
  Show Answer
  The correct answer is C .
• Question 333:

  The line $3y+6x$ = 48 passes through the points A(-2, k) and B(4, 8). Find the value of k.

  Options:
  A) 16
  B) 20
  C) 8
  D) -2
  Show Answer
  The correct answer is B .
• Question 334: The sides of a triangle are(x + 4)cm, xcm and (x - 4)cm, respectively If the cosine of the largest angle is $\frac{1}{5}$, find the value of x Options:
  A) 24cm
  B) 20cm
  C) 28cm
  D) 7cm
  E) $\frac{88}{7}$
  Show Answer
  The correct answer is A .
• Question 335: The solution of the quadratic inequality (x² + x - 12) $\ge$ 0 is Options:
  A) x $\ge$ 3 or x $\ge$ -4
  B) x $\le$ 3 or x $\le$ -4
  C) x $\ge$ 3 or x $\le$ -4
  D) x $\ge$ -3 or x $\le$ 4
  Show Answer
  The correct answer is C .
• Question 336: Evaluate $\int$(sinx - 5x²)dx Options:
  A) -cosx - 10x + k
  B) cosx - $\frac{5x^3}{3}$ + k
  C) -cosx - $\frac{5x^3}{3}$ + k
  D) cosx - 10x + k
  Show Answer
  The correct answer is C .
• Question 337: Three angles of a nonagon are equal and the sum of six other angles is 110^o. Calculate the sixe of one of the equal angles Options:
  A) 210^o
  B) 150^o
  C) 105^o
  D) 50^o
  Show Answer
  The correct answer is D .
• Question 338:

  

  In the figure, $△$ ABC are in adjacent planes. AB = AC = 5cm, BC = 6cm and o then AE is equal to

  Options:
  A) 3$\sqrt{2}$
  B) 2$\sqrt{3}$
  C) $\frac{\sqrt{3}}{2}$
  D) $\frac{2}{\sqrt{3}}$
  Show Answer
  The correct answer is B .
• Question 339: Solve for a positive number x such that 2(x³ - x² - 2x) = 1 Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .
• Question 340:

  In a class of 50 students, 40 students offered Physics and 30 offered Biology. How many offered both Physics and Biology?

  Options:
  A) 42
  B) 20
  C) 70
  D) 54
  Show Answer
  The correct answer is B .