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 1171: Find the probability of selecting a figure which is a parallelogram from a square, a rectangle, a rhombus, a kite and a trapezium Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{5}$
  D) $\frac{1}{5}$
  Show Answer
  The correct answer is A .
• Question 1172: Evaluate 1.25 × 102 × 0.125 × 103 × 12.5 × 10^-4 leaving your answer in standard form Options:
  A) 1.995 × 10³
  B) 1.95 × 10²
  C) 1.95 × 10¹
  D) 1.95 × 10^-2
  E) 1.95 × 10^-3
  Show Answer
  The correct answer is C .
• Question 1173: Express the product of 0.0014 and 0.011 in standard form Options:
  A) 1.54 x 10^-2
  B) 1.54 x 10^-3
  C) 1.54 x 10^-4
  D) 1.54 x 10^-5
  Show Answer
  The correct answer is D .
• Question 1174: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1175:

  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 1176: The ratio of the length of two similar rectangular blocks is 2 : 3. If the volume of the larger block is 351cm³, then the volume of the other block is Options:
  A) 234.00 cm³
  B) 526.50 cm³
  C) 166.00 cm³
  D) 687cm³
  Show Answer
  The correct answer is A .
• Question 1177: A book seller sells Mathematics and English books. If 30 customers buy Mathematics books, 20 customers buy English books and 10 customers buy the two books, How many customers has he altogether. Options:
  A) 30
  B) 40
  C) 50
  D) 60
  Show Answer
  The correct answer is B .
• Question 1178:

  Divide the expression x³ + 7x² - x - 7 by -1 + x²

  Options:
  A) -x³ + 7x² - x - 7
  B) -x³ = 7x + 7
  C) x - 7
  D) x + 7
  Show Answer
  The correct answer is D .
• Question 1179: Factorize completely the expression abx² + 6y - 3ax - 2byx Options:
  A) (ax - 2y)(bx - 3)
  B) (bx + 3)(2y - ax)
  C) (bx + 3)(ax - 2y)
  D) (ax - 2y)(ax - b)
  Show Answer
  The correct answer is A .
• Question 1180:

  

  In the diagram, O is the centre of the circle and POQ a diameter. If POR = 96${}^{\circ }$, find the value of ORQ.

  Options:
  A) 84${}^{\circ }$
  B) 48${}^{\circ }$
  C) 45${}^{\circ }$
  D) 42${}^{\circ }$
  Show Answer
  The correct answer is B .