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 2841:

  

  The cumulative frequency curve above shoes the distribution of the scores of 50 students in an examination. Find the 36th percentile scores

  Options:
  A) 18%
  B) 28%
  C) 36%
  D) 50%
  Show Answer
  The correct answer is B .
• Question 2842: Simplify $\sqrt{6a}\times \sqrt{576a^6}$ Options:
  A) ± 16a2
  B) ± 16a
  C) ± 14a2
  D) ± 12a2
  E) ± 12a
  Show Answer
  The correct answer is D .
• Question 2843: The diameter of a metal rod is measured as 23.40cm 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 2844: (3.2)² - (1.8)² equals Options:
  A) 7.0
  B) 2.56
  C) 13.48
  D) 2.0
  E) 0.07
  Show Answer
  The correct answer is A .
• Question 2845: Three brothers in a business deal share the profit at the end of a contact. The first received $\frac{1}{3}$ of the profit and the second $\frac{2}{3}$ of the remainder. If the third received the remaining ₦12000.00 how much profit did they share? Options:
  A) ₦60 000.00
  B) ₦54 000.00
  C) ₦48 000.00
  D) ₦42 000.00
  Show Answer
  The correct answer is B .
• Question 2846:

  If $6x^3+2x^2-5x+1$ divides $x^2-x-1$, find the remainder.

  Options:
  A) 9x + 9
  B) 2x + 6
  C) 6x + 8
  D) 5x - 3
  Show Answer
  The correct answer is A .
• Question 2847:

  

  In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana?

  Options:
  A) $\frac{5}{30}$
  B) $\frac{11}{30}$
  C) $\frac{17}{30}$
  D) $\frac{1}{30}$
  Show Answer
  The correct answer is C .
• Question 2848: find the radius of a sphere whose surface area is 154cm² ($\pi =\frac{22}{7}$) Options:
  A) 7.00cm
  B) 3.50cm
  C) 3.00cm
  D) 1.75cm
  Show Answer
  The correct answer is B .
• Question 2849:

  

  In the diagram above; O is the centre of the circle and |BD| = |DC|. If ∠DCB = 35^o, find ∠BAO.

  Options:
  A) 20^o
  B) 25^o
  C) 30^o
  D) 35^o
  E) 40^o
  Show Answer
  The correct answer is A .
• Question 2850: Make Q the subject of the formula when L = $\frac{4}{3}$ m$\sqrt{PQ}$ Options:
  A) $\frac{9L^2}{16m^{2}P}$
  B) $\frac{3L}{4m\sqrt{P}}$
  C) $\frac{\sqrt{3L}}{4mP}$
  D) $\frac{3L^2}{16m^{2}P}$
  Show Answer
  The correct answer is A .