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 1611: The sum of 3$\frac{7}{8}$ and 1$\frac{1}{3}$ is less than the difference between $\frac{3}{8}$ and 1$\frac{2}{3}$ by: Options:
  A) 3$\frac{2}{3}$
  B) 5$\frac{1}{4}$
  C) 6$\frac{1}{2}$
  D) 8
  E) 8$\frac{1}{8}$
  Show Answer
  The correct answer is C .
• Question 1612:

  Evaluate: ${\int }_0^z(sinx-cosx)dx$
  Where $z=\frac{\pi }{4}.(\pi =pi)$

  Options:
  A) $\sqrt{2+1}$
  B) $\sqrt{2}-1$
  C) $-\sqrt{2}-1$
  D) $1-\sqrt{2}$
  Show Answer
  The correct answer is B .
• Question 1613: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 1614: A man donates 10% of his monthly net earnings to his church. If it amounts to ₦4,500, what is his net monthly income? Options:
  A) ₦40,500
  B) ₦45,000
  C) ₦52,500
  D) ₦62,000
  Show Answer
  The correct answer is B .
• Question 1615: One interior angle of a convex hexagon is 170^o and each of the remaining interior angles is equal to x^o. Find x Options:
  A) 120^o
  B) 110^o
  C) 105^o
  D) 102^o
  E) 100^o
  Show Answer
  The correct answer is B .
• Question 1616: Rationalize 5 ÷ (2 − √3) Options:
  A) 3(2 + √5)
  B) 2(3 + √5)
  C) 5(2 + √3)
  D) 3 √2 + 1
  Show Answer
  The correct answer is C .
• Question 1617:

  

  The pie chart above shows the expenditure of a family whose income is ₦30,000. If the expenditure on food is twice that on housing and that on school fees is twice that on transport, how much does the family spend on food?

  Options:
  A) ₦28,000
  B) ₦25,500
  C) ₦15,000
  D) ₦12,500
  Show Answer
  The correct answer is D .
• Question 1618: Simplify $\frac{x}{x+y}$ + $\frac{y}{x-y}$ - $\frac{x^2}{x^2-y^2}$ Options:
  A) $\frac{x}{x^2-y^2}$
  B) $\frac{y^2}{x^2-y^2}$
  C) $\frac{x^2}{x^2-y^2}$
  D) $\frac{y}{x^2-y^2}$
  Show Answer
  The correct answer is B .
• Question 1619:

  A student pilot was required to fly to an airport and then return as part of his flight training. The average speed to the airport was 120 km/h, and the average speed returning was 150 km/h. If the total flight time was 3 hours, calculate the distance between the two airports.

  Options:
  A) 270 km
  B) 200 km
  C) 360 km
  D) 450 km
  Show Answer
  The correct answer is B .
• Question 1620:

  In how many ways can the letters LEADER be arranged?

  Options:
  A) 72
  B) 144
  C) 360
  D) 720
  Show Answer
  The correct answer is C .