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 1401: Convert 3.1415926 to 5 decimal places Options:
  A) 3.14160
  B) 3.14159
  C) 0.31415
  D) 3.14200
  Show Answer
  The correct answer is B .
• Question 1402: An arc of a circle subtends an angle 70^o at the centre. If the radius of the circle is 6cm, calculate the area of the sector subtended by the given angle.($\pi$ = $\frac{22}{7}$) Options:
  A) 22cm²
  B) 44cm²
  C) 66cm²
  D) 88cm²
  Show Answer
  The correct answer is A .
• Question 1403:

  If a dress is sold for #3800.00 at 20% discount. what is its original price?

  Options:
  A) #3,000.00
  B) #4,000.00
  C) #5,000.00
  D) #4,750.00
  Show Answer
  The correct answer is D .
• Question 1404: Simplify $\frac{4a^2-49b^2}{2a^2-5ab-7b^2}$ Options:
  A) $\frac{a-b}{2a+b}$
  B) $\frac{2a+7b}{a-b}$
  C) $\frac{2a-7b}{a+b}$
  D) $\frac{2a-7b}{a-b}$
  Show Answer
  The correct answer is D .
• Question 1405: If line p = 5x + 3 is parallel to line p = wx + 5. Find the value of w. Options:
  A) 7
  B) 3
  C) 6
  D) 5
  Show Answer
  The correct answer is D .
• Question 1406:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1407: calculate the simple interest on N6,500 for 8 years at 5% per annum. Options:
  A) N3,000
  B) N600
  C) N300
  D) N150
  Show Answer
  The correct answer is A .
• Question 1408: After what length of time will N2400.00 yield an interest of N60.00 at 1$\frac{1}{2}$% per annum? Options:
  A) 2$\frac{4}{5}$ years
  B) 1$\frac{2}{3}$ years
  C) 1$\frac{1}{2}$ years
  D) 1 years
  E) $\frac{3}{5}$ year
  Show Answer
  The correct answer is B .
• Question 1409:

  Ina class of 150 students, the sector in a pie chart representing the students offering physics has angle 12${}^o$. How many students are offering physics?

  Options:
  A) 18
  B) 15
  C) 10
  D) 5
  Show Answer
  The correct answer is D .
• Question 1410:

  Find the variance of the numbers k, k+1, k+2.

  Options:
  A) $\frac{2}{3}$
  B) 1
  C) k + 1
  D) (k + 1)²
  Show Answer
  The correct answer is A .