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 71:

  For what value of x is the tangent to the curve y = x${}^2$ - 4x + 3 parallel to the x-axis?

  Options:
  A) 3
  B) 2
  C) 1
  D) 0
  Show Answer
  The correct answer is B .
• Question 72: If y = 3 cos 4x, $\frac{dy}{dx}$ equals Options:
  A) 6 sin 8x
  B) -24 sin 4x
  C) 12 sin 4x
  D) -12 sin 4x
  Show Answer
  The correct answer is D .
• Question 73: Make t the subject of formula S = ut + $\frac{1}{2}a{t}^2$ Options:
  A) $\frac{1}{a}-u+\sqrt{u^2-2as}$
  B) $\frac{1}{a}u\pm (u^2-2as)$
  C) $\frac{1}{a}u\pm \sqrt{2as}$
  D) $\frac{1}{a}-u+\sqrt{2as}$
  Show Answer
  The correct answer is A .
• Question 74:

  Find the infinity, the sum of the sequence 1, $\frac{9}{10}$, ($\frac{9}{10}$)², ($\frac{9}{10}$)³,...

  Options:
  A) 10
  B) 9
  C) $\frac{10}{9}$
  D) $\frac{9}{10}$
  Show Answer
  The correct answer is A .
• Question 75: A pentagon has four of its angles equal. If the size of the fifth angle is 60^o, Find the size of each of the four equal angles. Options:
  A) 60^o
  B) 108^o
  C) 120^o
  D) 150^o
  E) None of the above
  Show Answer
  The correct answer is C .
• Question 76: Find y, if $\sqrt{12}-\sqrt{147}$ + y$\sqrt{3}$ = 0 Options:
  A) 3
  B) 7
  C) 1
  D) 5
  Show Answer
  The correct answer is D .
• Question 77:

  

  The shaded region in the Venn diagram above is

  Options:
  A) P${}^{\circ }$ $\cap$(Q $\cap$ R)
  B) P $\cap$ Q
  C) P${}^{\circ }$$\cup$(Q$\cap$R)
  D) P${}^{\circ }$ $\cup$(Q $\cup$R)
  Show Answer
  The correct answer is A .
• Question 78: A man earns ₦3,500 per month out of which he spends 15% on his children's education. If he spends additional ₦1,950 on food, how much does he have left? Options:
  A) ₦525
  B) ₦1,025
  C) ₦1,950
  D) ₦2,975
  Show Answer
  The correct answer is B .
• Question 79: The angle between the positive horizontal axis and a given line is 135^o. Find the equation of the line if it passes through the point (2,3) Options:
  A) x - y = 1
  B) x + y = 1
  C) x + y = 5
  D) x - y = 5
  Show Answer
  The correct answer is C .
• Question 80:

  At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50?

  Options:
  A) $\frac{1}{2}$%
  B) 2$\frac{1}{2}$%
  C) 1.5%
  D) 25%
  Show Answer
  The correct answer is C .