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 2771:

  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 2772: 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 2773: A housewife bought 3 kilograms of garri at ₦13.00 per kg. She deposited ₦160. 00 for half a cow and bought 24 oranges at 10k each. She came back home with ₦20.60. She therefore left home with Options:
  A) ₦220.00
  B) ₦222.00
  C) ₦201.40
  D) ₦202.00
  E) ₦180.80
  Show Answer
  The correct answer is B .
• Question 2774: In a family of 21 people, the average age is 14years. If the age of the grandfather is not counted, the average age drops to 12 years. What is the age of the grandfather? Options:
  A) 35 years
  B) 40 years
  C) 42 years
  D) 54 years
  Show Answer
  The correct answer is D .
• Question 2775:

  The angles of a quadrilateral are 5x-30, 4x+60, 60-x and 3x+61.find the smallest of these angles​

  Options:
  A) 5x - 30
  B) 4x + 60
  C) 60 - x
  D) 3x + 61
  Show Answer
  The correct answer is C .
• Question 2776: Evaluate correct to 4 decimal places 877.51 $\times$ 0.015 Options:
  A) 8.8415
  B) 12.4127
  C) 124.1265
  D) 12.44120
  E) 114.1265
  Show Answer
  The correct answer is B .
• Question 2777:

  

  The pie chart above illustrate the amount of private time a student spends in a week studying various subjects. Find the value of k

  Options:
  A) 90${}^{\circ }$
  B) 60${}^{\circ }$
  C) 30${}^{\circ }$
  D) 40${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 2778:

  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 2779:

  

  In the diagram, PTS is a tangent to the circle TQR at T. Calculate < RTS

  Options:
  A) 120${}^{\circ }$
  B) 70${}^{\circ }$
  C) 60${}^{\circ }$
  D) 40${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 2780:

  If $\sin x=\frac{4}{5}$, find $\frac{1+{\cot }^{2}x}{{\csc }^{2}x-1}$.

  Options:
  A) $\frac{13}{2}$
  B) $\frac{25}{9}$
  C) $\frac{3}{13}$
  D) $\frac{4}{11}$
  Show Answer
  The correct answer is B .