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 1441: If the maximum value of $y=1+hx-3x^2$ is $13$, find $h$. Options:
  A) 13
  B) 12
  C) 11
  D) 10
  E) 14
  Show Answer
  The correct answer is B .
• Question 1442: If m $\ast$ n = n-(m + 2) for any real numbers m and n, find the value of 3 $\ast$ (-5) Options:
  A) -6
  B) -8
  C) -10
  D) -12
  Show Answer
  The correct answer is C .
• Question 1443:

  Find the distance between the points ($\frac{1}{2}$, -$\frac{1}{2}$).

  Options:
  A) 1
  B) 0
  C) √3
  D) √2
  Show Answer
  The correct answer is D .
• Question 1444: A sector of a circle of radius 7.2cm which subtends an angle of 300${}^{\circ }$ at the centre is used to form a cone. What is the radius of the base of the cone? Options:
  A) 6cm
  B) 7cm
  C) 8cm
  D) 9cm
  E) 5cm
  Show Answer
  The correct answer is A .
• Question 1445: If duty is levied at 25%, find the duty to be added to a bill of ₦80. Options:
  A) ₦100
  B) ₦20
  C) ₦80
  D) ₦150
  Show Answer
  The correct answer is B .
• Question 1446: What is log₇(49^a) - log₁₀(0.01)? Options:
  A) $\frac{{49}^a}{100}$
  B) $\frac{a}{2}$ + 2
  C) 7^2a + 2
  D) 2a + 2
  E) $\frac{2a}{2}$
  Show Answer
  The correct answer is D .
• Question 1447: A man and wife went to buy an article costing ₦400. The woman had 10% of the cost and the man 40% of the remainder. How much did they have altogether? Options:
  A) ₦216
  B) ₦200
  C) ₦184
  D) ₦144
  E) ₦100
  Show Answer
  The correct answer is C .
• Question 1448: Find the mid point of S(-5, 4) and T(-3, -2) Options:
  A) -4, 2
  B) 4, -2
  C) -4, 1
  D) 4, -1
  Show Answer
  The correct answer is C .
• Question 1449:

  The chord ST of a circle is equal to the radius r of the circle. Find the length of arc ST

  Options:
  A) $\frac{\pi r}{3}$
  B) $\frac{\pi r}{2}$
  C) $\frac{\pi r}{12}$
  D) $\frac{\pi r}{6}$
  Show Answer
  The correct answer is A .
• Question 1450: Find the volume of solid generated when the area enclosed by y = 0, y = 2x, and x = 3 is rotated about the x-axis. Options:
  A) 81 π cubic units
  B) 36 π cubic units
  C) 18 π cubic units
  D) 9 π cubic units
  Show Answer
  The correct answer is B .