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 831:

  The ages of students in a small primary school were recorded in the table below.

  Age	5 - 6	7 - 8	9 -10
  Frequency	29	40	38

  
  Estimate the mean

  Options:
  A) 7.7
  B) 7.5
  C) 7.8
  D) 7.6
  Show Answer
  The correct answer is A .
• Question 832: If sin $\theta$ = $\frac{m-n}{m+n}$; Find the value of 1 + tan²$\theta$ Options:
  A) $\frac{(m^2+n^2)}{m+n}$
  B) $\frac{(m^2+n^2+2mm)}{4mn}$
  C) $\frac{2(m^2+n^2+mn)}{m+n}$
  D) $\frac{(m^2+n^2+mn)}{m+n}$
  Show Answer
  The correct answer is B .
• Question 833: Four pupils have an average age of 12years and two other pupils of average age of 10.5years are added. What is the average age of the six pupils? Options:
  A) 10.5yrs.
  B) 11yrs.
  C) 11.5 yrs.
  D) 12yrs.
  E) 12.5yrs.
  Show Answer
  The correct answer is C .
• Question 834: In a youth club with 94 members, 60 like modern music, and 50 like traditional music. The number of members who like both traditional and modern music is three times those who do not like any type of music. How many members like only one type of music? Options:
  A) 8
  B) 24
  C) 62
  D) 86
  Show Answer
  The correct answer is C .
• Question 835: The weights of 30 new-born babies are given as follows: 6, 9, 5, 7, 6, 7, 5, 8, 9, 5, 7, 5, 8, 7, 8, 7, 5, 6, 5, 7, 6, 9, 9, 7, 8, 8, 7, 8, 9, 8. The mode is Options:
  A) 6
  B) 5
  C) 8
  D) 7
  E) 10
  Show Answer
  The correct answer is D .
• Question 836: Find the locus of point equidistant from two straight lines y - 5 = 0 and y - 3 = 0 Options:
  A) y - 2 = 0
  B) y - 4 = 0
  C) y - 1 = 0
  D) y - 3 = 0
  Show Answer
  The correct answer is B .
• Question 837:

  Find the compound interest (CI) on ₦15,700 for 2 years at 8% per annum compounded annually.

  Options:
  A) ₦6,212.48
  B) ₦2,834.48
  C) ₦18,312.48
  D) ₦2,612.48
  Show Answer
  The correct answer is D .
• Question 838: Obtain a maximum value of the function f(x) = x${}^3$ - 12x + 11. Options:
  A) -5
  B) -2
  C) 2
  D) 27
  Show Answer
  The correct answer is D .
• Question 839: The base of a pyramid is a square of side 8cm. If its vertex is directly above the centre, find the height, given that the edge is 4.3cm Options:
  A) 6cm
  B) 5cm
  C) 4cm
  D) 3cm
  Show Answer
  The correct answer is C .
• Question 840:

  If log${}_{10}$2 = 0.3010 and log${}_{10}$3 = 0.4771, eventually without using the logarithm tables, log${}_{10}$4.5

  Options:
  A) 0.3010
  B) 0.4771
  C) 0.6532
  D) 0.9542
  Show Answer
  The correct answer is C .