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 1661: Write the equation 2 log₂x - x log₂(1 + y) = 3 in a form not involving logarithms Options:
  A) 2^x(1 + y) = 3
  B) 2^x - x(1 + y) = 8
  C) x² = 8(1 + y)^x
  D) x² - x(1 + y) = 8
  E) x² - (1 + y)² = 8
  Show Answer
  The correct answer is C .
• Question 1662: 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 1663:

  

  In an examination, the result of a certain school is as shown in the histogram above. How many candidates did the school present?

  Options:
  A) 12
  B) 16
  C) 18
  D) 19
  Show Answer
  The correct answer is D .
• Question 1664: What is the locus of point that is equidistant from points P(1,3) and Q(3,5)? Options:
  A) y = -χ + 6
  B) y = -χ - 6
  C) y = χ + 6
  D) y = χ - 6
  Show Answer
  The correct answer is A .
• Question 1665: The diameter of a metal rod is measured as 23.40 cm to four significant figures. What is the maximum error in the measurement? Options:
  A) 0.05cm
  B) 0.5cm
  C) 0.045cm
  D) 0.005cm
  E) 0.004cm
  Show Answer
  The correct answer is D .
• Question 1666: Simplify $\frac{(1.25\times {10}^{-4})\times (2.0\times {10}^{-1})}{(6.25\times {10}^5)}$ Options:
  A) 4.0 x 10^-3
  B) 5.0 x 10^-2
  C) 2.0 x 10^-1
  D) 5.0 x 10^-3
  Show Answer
  The correct answer is A .
• Question 1667: A man sells his new brand car for ₦420,000 at a gain of 15%. What did it cost him? Options:
  A) ₦410,000
  B) ₦365,217
  C) ₦157,250
  D) ₦257,000
  Show Answer
  The correct answer is B .
• Question 1668:

  

  In a class of 30 students, the marks scored in an examination are displayed in the histogram. What percentage of the student scored more than 40%?

  Options:
  A) 14%
  B) 40%
  C) 40$\frac{3}{4}$%
  D) 53$\frac{1}{3}$%
  Show Answer
  The correct answer is C .
• Question 1669: In one and a half hours, the minute hand of a clock rotates through an angle of Options:
  A) 90^o
  B) 180^o
  C) 640^o
  D) 450^o
  E) 540^o
  Show Answer
  The correct answer is E .
• Question 1670: The square base of a pyramid of side 3cm has height 8cm. If the pyramid is cut into two parts by a plane parallel to the base midway between the base and the vertex, the volumes of the two sections are Options:
  A) (21cm³, 3cm³)
  B) (24cm³, 3cm³)
  C) (24cm³, 21cm³)
  D) (72cm³, 9cm³)
  E) (63cm³, 9cm³)
  Show Answer
  The correct answer is B .