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 2631: Find the remainder when 2x³ - 11x² + 8x - 1 is divided by x + 3 Options:
  A) -871
  B) -781
  C) -187
  D) -178
  Show Answer
  The correct answer is D .
• Question 2632: Evaluate $1-(\frac{1}{5}\times \frac{2}{3})+(5+\frac{2}{3})$ Options:
  A) $4$
  B) $3$
  C) $2\frac{2}{3}$
  D) $3\frac{2}{3}$
  Show Answer
  The correct answer is D .
• Question 2633:

  In triangle FGB, < G = 90°, < H = 60°, while in triangle XYZ, < X = 60° and < Y = 30°. Form XYZ write down the ratio equal to $\frac{FG}{FH}$

  Options:
  A) $\frac{YX}{ZX}$
  B) $\frac{YX}{YZ}$
  C) $\frac{ZX}{YZ}$
  D) $\frac{YZ}{XY}$
  Show Answer
  The correct answer is D .
• Question 2634: If 7 is subtracted from twice a certain number x, the result is at most 5. What is the range of the number?
  Options:
  A) x < 2
  B) x < 3
  C) x < 4
  D) x < 5
  E) x < 6
  Show Answer
  The correct answer is E .
• Question 2635: Find the minimum value of y = x² - 2x - 3 Options:
  A) 4
  B) 1
  C) -1
  D) -4
  Show Answer
  The correct answer is D .
• Question 2636: Solve 5^{2(x - 1)} x 5^{x + 1} = 0.04 Options:
  A) $\frac{1}{3}$
  B) $\frac{1}{4}$
  C) -$\frac{1}{5}$
  D) -$\frac{1}{3}$
  Show Answer
  The correct answer is D .
• Question 2637: If f(x) = 2(x - 3)² + 3(x - 3) + 4 and g(y) = 5 + y, find g [f(3)] and f[g(4)]. Options:
  A) 3 and 4
  B) -3 and 4
  C) -3 and -4
  D) 3 and -4
  E) 0 and 5
  Show Answer
  The correct answer is A .
• Question 2638: Simplify 16$\frac{1}{2}$ x 4$\frac{1}{2}$ x 27$\frac{1}{3}$ Options:
  A) $\frac{3}{8}$
  B) $\frac{2}{3}$
  C) $\frac{3}{4}$
  D) $\frac{3}{2}$
  Show Answer
  The correct answer is A .
• Question 2639: Differentiate $\frac{6x^3-5x^2+1}{3x^2}$ with respect to x Options:
  A) $\frac{2+2}{3x^3}$
  B) 2 + $\frac{1}{6x}$
  C) 2 - $\frac{2}{3x^3}$
  D) $\frac{1}{5}$
  Show Answer
  The correct answer is C .
• Question 2640:

  

  In the figure, the line segment ST is tangent to two circles at S and T. O and Q are the centres of the circles with OS = 5cm. QT = 2cm and OR = 14cm. Find ST

  Options:
  A) 7 $\sqrt{3}$cm
  B) 12.9cm
  C) $\sqrt{87}$cm
  D) 7cm
  Show Answer
  The correct answer is B .