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 1421: If x is a positive real number, find the range of values for which $\frac{1}{3x}$ + $\frac{1}{2}$ > $\frac{1}{4x}$
  Options:
  A) 0 > -$\frac{1}{6}$
  B) x > 0
  C) 0 < x < 4
  D) 0 < x < $\frac{1}{6}$
  Show Answer
  The correct answer is D .
• Question 1422: Correct 241.34(3 x 10^-3)² to 4 significant figures Options:
  A) 0.0014
  B) 0.001448
  C) 0.0022
  D) 0.002172
  Show Answer
  The correct answer is D .
• Question 1423: Find the equation of the straight line through (-2, 3) and perpendicular to 4x + 3y - 5 = 0 Options:
  A) 3x - 4y + 18 = 0
  B) 3x + 2y - 18 = 0
  C) 4x + 5y + 3 = 0
  D) 5x - 2y - 11 = 0
  Show Answer
  The correct answer is A .
• Question 1424: Suppose x varies inversely as y, y varies directly as the square of t and x = 1, when 1 = 3. Find x when t = $\frac{1}{3}$ Options:
  A) 81
  B) 27
  C) $\frac{1}{9}$
  D) $\frac{1}{27}$
  E) $\frac{1}{81}$
  Show Answer
  The correct answer is E .
• Question 1425: If the heights of two circular cylinder are in the ratio 2 : 3 and their volumes? Options:
  A) 27 : 32
  B) 27 : 23
  C) 23 : 32
  D) 27 : 23
  Show Answer
  The correct answer is A .
• Question 1426: The locus of a point equidistant from two points p(6,2) and R(4,2) is a perpendicular bisector of PR passing through Options:
  A) (2,5)
  B) (5,2)
  C) (1,0)
  D) (0,1)
  Show Answer
  The correct answer is B .
• Question 1427:

  If the simple interest on a sum of money invested at 3% per annum for 2$\frac{1}{2}$  years is ₦123, find the principal.

  Options:
  A) ₦676.50
  B) ₦820
  C) ₦1,640
  D) ₦4,920
  Show Answer
  The correct answer is C .
• Question 1428:

  

  In $△$ XYZ, XKZ = 90^O, XK = 15cm, XY = 35cm and YK = 8cm. Find the area of $△$XYZ

  Options:
  A) 190 sq.cm
  B) 20 sq.cm
  C) 210 sq.cm
  D) 160sq.cm
  E) 320sq.cm
  Show Answer
  The correct answer is C .
• Question 1429: A man covered a distance of 50 miles on his first trip, on a later trip he traveled 300 miles while going 3 times as fast. His new time compared with the old distance was? Options:
  A) three times as much
  B) the same
  C) twice as much
  D) half as much
  Show Answer
  The correct answer is C .
• Question 1430:

  A group of market women sell at least one of yam, plantain and maize. 12 of them sell maize, 10 sell yam and 14 sell plantain. 5 sell plantain and maize, 4 sell yam and maize, 2 sell yam and plantain only while 3 sell all the three items. How many women are in the group?

  Options:
  A) 25
  B) 19
  C) 18
  D) 17
  Show Answer
  The correct answer is A .