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 831:

  Simplify without using tables $\frac{2\sqrt{14}\times 3\sqrt{21}}{7\sqrt{24}\times 2\sqrt{98}}$

  Options:
  A) $\frac{3\sqrt{14}}{4}$
  B) $\frac{3\sqrt{2}}{4}$
  C) $\frac{3\sqrt{14}}{28}$
  D) $\frac{3\sqrt{2}}{28}$
  Show Answer
  The correct answer is D .
• Question 832: Evaluate $\int (2x+3{)}^{\frac{1}{2}}\delta x$ Options:
  A) $\frac{1}{12}(2x+3{)}^6+k$
  B) $\frac{1}{3}(2x+3{)}^{\frac{1}{2}}+k$
  C) $\frac{1}{3}(2x+3{)}^{\frac{3}{2}}+k$
  D) $\frac{1}{12}(2x+3{)}^{\frac{3}{4}}+k$
  Show Answer
  The correct answer is C .
• Question 833: A number of pencils were shared out among Bisi, Sola and Tunde in the ratio of 2 : 3 : 5 respectively. If Bisi got 5, how many were share out? Options:
  A) 15
  B) 25
  C) 30
  D) 50
  Show Answer
  The correct answer is B .
• Question 834: Solve the following equations 4x - 3 = 3x + y = x - y = 3, 3x + y = 2y + 5x - 12 Options:
  A) x = 5, y = 2
  B) x = 2, y = 5
  C) x = 5, y = -2
  D) x = -2, y = -5
  E) x = -5, y = -2
  Show Answer
  The correct answer is A .
• Question 835: What value of Q will make the expression 4x² + 5x + Q a complete square? Options:
  A) $\frac{25}{16}$
  B) $\frac{25}{64}$
  C) $\frac{5}{8}$
  D) $\frac{5}{4}$
  Show Answer
  The correct answer is A .
• Question 836:

  

  In the figure, STQ = SRP, PT = TQ = 6cm and QS = 5cm. Find SR

  Options:
  A) $\frac{47}{5}$
  B) 5
  C) $\frac{32}{5}$
  D) $\frac{22}{5}$
  Show Answer
  The correct answer is A .
• Question 837:

  

  In the fiqure where PQRTU is a circle, ISTI = IRSI and angle TSR = 52${}^{\circ }$. Find the angle marked m.

  Options:
  A) 128${}^{\circ }$
  B) 52${}^{\circ }$
  C) 104${}^{\circ }$
  D) 64${}^{\circ }$
  E) 116${}^{\circ }$
  Show Answer
  The correct answer is E .
• Question 838:

  The table below gives the scores of a group of students in a Mathematical test.

  $\begin{array}{ccccccccc}Scores& 1& 2& 3& 4& 5& 6& 7& 8\\ Frequency& 2& 4& 7& 14& 12& 6& 4& 1\end{array}$

  If the mode in m and the number of students who scored 4 or less is s. What is (s, m)?

  Options:
  A) (27, 4)
  B) (14,4)
  C) (13,4)
  D) (4,4)
  Show Answer
  The correct answer is A .
• Question 839:

  Find the area bounded by the curves y = 4 - x² and y = 2x + 1

  Options:
  A) 20(1/3) sq. units
  B) 20(2/3) sq. units
  C) 10(2/3) sq. units
  D) 10(1/3) sq. units
  Show Answer
  The correct answer is C .
• Question 840: Differentiate (x² - ¹/_x)² with respect to x Options:
  A) 4x² - 4x - ²/_x
  B) 4x² - 2 + ²/_x³
  C) 4x² - 2 - ²/_x³
  D) 4x² - 3x + ²/_x
  Show Answer
  The correct answer is C .