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 661: If 9^{(x - $\frac{1}{2}$)} 3x² Options:
  A) $\frac{1}{2}$
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is B .
• Question 662:

  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 663: In a school of 150 students, 80 offer French while 60 offer Arabic and 20 offer neither. How many students offer both subjects? Options:
  A) 45
  B) 10
  C) 35
  D) 30
  Show Answer
  The correct answer is B .
• Question 664: Find the range of 1/6, 1/3, 3/2, 2/3, 8/9 and 4/3 Options:
  A) 3/4
  B) 5/6
  C) 7/6
  D) 4/3
  Show Answer
  The correct answer is D .
• Question 665: If X $\ast$ Y = X + Y - XY, find x when (x $\ast$ 2) + (x $\ast$ 3) = 68 Options:
  A) 24
  B) 22
  C) -12
  D) -21
  Show Answer
  The correct answer is D .
• Question 666: If x $\ast$ y = x + y², find the value of (2 $\ast$ 3)$\ast$5 Options:
  A) 25
  B) 11
  C) 55
  D) 36
  Show Answer
  The correct answer is D .
• Question 667:

  

  The table above shows the frequency distribution of the ages (in years) of pupils in a certain secondary school. What percentage of the total number of pupils is over 15 years but less than 21 years?

  Options:
  A) 35%
  B) 45%
  C) 50%
  D) 60%
  Show Answer
  The correct answer is C .
• Question 668: the derivative of cosec x is Options:
  A) tan x cosec x
  B) -cot x cosec x
  C) tan x sec x
  D) -cot x sec x
  Show Answer
  The correct answer is B .
• Question 669: The curved surface area of a cylinder 5cm high is 110cm². Find the radius of its base
  π = $\frac{22}{7}$ Options:
  A) 2.6cm
  B) 3.5cm
  C) 3.6cm
  D) 7.0cm
  Show Answer
  The correct answer is B .
• Question 670: Simplify $\frac{(2m-u{)}^2-(m-2u{)}^2}{5m^2-5u^2}$ Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{2m-u}{5m+u}$
  D) $\frac{m-2u}{m+5u}$
  Show Answer
  The correct answer is A .