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 1591:

  A sector of a circle has an area of 55 cm². If the radius of the circle is 10 cm, calculate the angle of the sector. [π = 22/7]

  Options:
  A) 45${}^{\circ }$
  B) 63${}^{\circ }$
  C) 75${}^{\circ }$
  D) 90${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1592: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1593:

  

  Find the square pf the mode

  Options:
  A) 49
  B) 121
  C) 25
  D) 64
  Show Answer
  The correct answer is B .
• Question 1594:

  The area of a square is 144 sq cm. Find the length of its diagonal

  Options:
  A) 11$\sqrt{3}$cm
  B) 12cm
  C) 12$\sqrt{2}$cm
  D) 13cm
  Show Answer
  The correct answer is C .
• Question 1595: P varies jointly as m and u, and varies inversely as q. Given that p = 4, m = 3 and u = 2 and q = 1, find the value of p when m = 6, u = 4 and q =$\frac{8}{5}$ Options:
  A) 12$\frac{8}{5}$
  B) 15
  C) 10
  D) 28$\frac{8}{5}$
  Show Answer
  The correct answer is C .
• Question 1596:

  If X = {all the perfect squares less than 40}

  Y = {all the odd numbers fro, 1 to 15}. Find X ∩ Y.

  Options:
  A) {3, 9}
  B) {9}
  C) {9, 25}
  D) {1, 9}
  Show Answer
  The correct answer is D .
• Question 1597:

  

  Triangle SPT is the solution of the linear inequalities

  Options:
  A) 2y - x - 2 $\le$ 0, y + 2x + 2 $\ge$ 0, x $\ge$ 0
  B) 2y - x - 2 $\ge$ 0, y + 2x + 2 $\le$ 0, -2 $\ge$ x $\ge$ -1
  C) -2 $\ge$ x $\ge$ 2, y $\le$ 0, y + 2x + 2 $\ge$ 0, x $\ge$ 0
  D) 2y - x - 2 $\ge$ 0, y + 2x + 2 $\ge$ 0, y $\le$ 0, x $\ge$ 0
  Show Answer
  The correct answer is C .
• Question 1598: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 1599: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 1600:

  A number is selected at random between 20 and 30, both numbers inclusive. Find the probability that the number is a prime.

  Options:
  A) $\frac{2}{11}$
  B) $\frac{5}{11}$
  C) $\frac{6}{11}$
  D) $\frac{8}{11}$
  Show Answer
  The correct answer is A .