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 731: Find the value of x for which the function f(x) = 2x³ - x² - 4x + 4 has a maximum value Options:
  A) $\frac{2}{3}$
  B) 1
  C) -1
  D) -$\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 732: Find the value of t if the standard deviation of 2t, 3t, 4t, 5t, and 6t is √2 Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is A .
• Question 733:

  Marks	2	3	4	5	6	7	8
  No. of students	3	1	5	2	4	2	3

  From the table above, if the pass mark is 5, how many students failed the test?

  Options:
  A) 6
  B) 2
  C) 7
  D) 9
  Show Answer
  The correct answer is D .
• Question 734: Solve for the equation $\sqrt{x}$ - $\sqrt{(x-2)}$ - 1 = 0 Options:
  A) $\frac{3}{2}$
  B) $\frac{2}{3}$
  C) $\frac{4}{9}$
  D) $\frac{9}{4}$
  Show Answer
  The correct answer is D .
• Question 735:

  

  In the figure, PQRSTW is a regular hexagon. QS intersects RT at V. Calculate TVS.

  Options:
  A) 60${}^{\circ }$
  B) 90${}^{\circ }$
  C) 120${}^{\circ }$
  D) 30${}^{\circ }$
  E) 80${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 736:

  

  Find the value of x in the figure above

  Options:
  A) 15√6
  B) 20√6
  C) 3√6
  D) 5√6
  Show Answer
  The correct answer is D .
• Question 737: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 738: A straight lie y = mx meets the curve y = x² - 12x + 40 in two distinct points. If one of them is (5, 5) find the other Options:
  A) (5, 6)
  B) (8, 8)
  C) (8, 5)
  D) (7,7)
  E) (7, 5)
  Show Answer
  The correct answer is E .
• Question 739:

  

  In the diagram, POS and ROT are straight lines, OPQR is a parallelogram. |OS| = |OT| and ∠OST = 50^o. Calculate ∠OPQ.

  Options:
  A) 160^o
  B) 140^o
  C) 120^o
  D) 100^o
  Show Answer
  The correct answer is D .
• Question 740: What will be the value of k so that the quadratic equation kx² - 4x + 1 = 0 has two equal roots? Options:
  A) 2
  B) 3
  C) 4
  D) 8
  E) $\frac{1}{4}$
  Show Answer
  The correct answer is C .