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 521: Solve the following equation $\frac{2}{2r-1}$ - $\frac{5}{3}$ = $\frac{1}{r+2}$ Options:
  A) ($\frac{5}{2}$, 1)
  B) (5, -4)
  C) (2, 1)
  D) (1, $\frac{-5}{2}$)
  E) ($\frac{-5}{2}$, 1)
  Show Answer
  The correct answer is D .
• Question 522:

  In a class of 50 students, 40 students offered Physics and 30 offered Biology. How many offered both Physics and Biology?

  Options:
  A) 42
  B) 20
  C) 70
  D) 54
  Show Answer
  The correct answer is B .
• Question 523: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 524: A hunter 1.6 m tall, views a bird on top of a tree at an angle of 45 degrees. if the distance between the hunter and the tree is 10.4 m, find the height of the tree. Options:
  A) 9.0 m
  B) 12. 0 m
  C) 8.8 m
  D) 10.4 m
  Show Answer
  The correct answer is B .
• Question 525: Solve the following equation equation for x² + $\frac{2x}{r^2}$ + $\frac{1}{r^4}$ = 0 Options:
  A) r²
  B) $\frac{1}{r^4}$
  C) -$\frac{1}{r^2}$
  D) 1 - r
  Show Answer
  The correct answer is C .
• Question 526: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 527:

  

  The grades A1, A2, A3, C4 and F earned by students in a particular course are shown in the pie chart. What percentage of the students obtained a C4 grade?

  Options:
  A) 52.0
  B) 43.2
  C) 40.0
  D) 12.0
  Show Answer
  The correct answer is D .
• Question 528:

  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 529: if x is the addition of the prime numbers between 1 and 6; and y the H.C.F. of 6, 9, 15. Find the product of x and y Options:
  A) 27
  B) 30
  C) 33
  D) 90
  Show Answer
  The correct answer is B .
• Question 530: If the mean of the following set of data, 2, 3,3,3, 2,4 4 and 3 is divided by its mode, the result is: Options:
  A) 1
  B) 2
  C) 3
  D) 5
  E) 8
  Show Answer
  The correct answer is A .