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 1981:

  If A = { 1, 2, 3, 4, 5, 6}, B = { 2, 4, 6, 8 }. Find (A B) ⋃ (B A).

  Options:
  A) {1, 3, 5, 8}
  B) {8}
  C) {1, 2, 3, 4, 5, 6, 8}
  D) {1, 3, 5}
  Show Answer
  The correct answer is A .
• Question 1982: 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 1983: Express $62+3$ as decimal correct to 3 significant figures. Options:
  A) 20.6
  B) 20.667
  C) 20.67
  D) 20.7
  Show Answer
  The correct answer is B .
• Question 1984:

  The smallest number such that when it is divided by 3 has a remainder of 6 and when it is divided by 9, has a remainder of 7 is

  Options:
  A) 387
  B) 493
  C) 502
  D) 441
  E) 634
  Show Answer
  The correct answer is C .
• Question 1985:

  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 1986:

  Calculate the length of an arc of a circle diameter 14 cm, which subtends an angle of 90${}^{\circ }$ at the center of the circle

  Options:
  A) 7π/2 cm
  B) 7π cm
  C) 14π cm
  D) 7π/4 cm
  Show Answer
  The correct answer is A .
• Question 1987: An arithmetic progression has first term 11 and fourth term 32. The sum of the first nine terms is Options:
  A) 351
  B) 531
  C) 135
  D) 153
  Show Answer
  The correct answer is A .
• Question 1988: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 1989:

  The interior angle of a regular polygon is five times the size of its exterior angle. Identify the polygon.

  Options:
  A) dodecagon
  B) enneadecagon
  C) icosagon
  D) hendecagon
  Show Answer
  The correct answer is A .
• Question 1990: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .