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 1691:

  If M varies directly as N and inversely as the root of P. Given that M = 3, N = 5 and P = 25. Find the value of P when M = 2 and N = 6.

  Options:
  A) 36
  B) 63
  C) 47
  D) 81
  Show Answer
  The correct answer is D .
• Question 1692: Simplify (√98 -√50)/√32 Options:
  A) 3
  B) 1
  C) 1/2
  D) 1/4
  Show Answer
  The correct answer is C .
• Question 1693: A car painter charges ₦40.00 per day for himself and ₦10.00 per day for his assistant. if a fleet of cars were painted for ₦2000.00 and the painter worked 10days more than his assistant, how much did the assistant receive? Options:
  A) ₦32.00
  B) ₦320.00
  C) ₦420.00
  D) ₦1680.00
  Show Answer
  The correct answer is B .
• Question 1694: The graphical method of solving the equation x³ + 3x² + 4x - 28 = 0 is by drawing the graphs of the curves Options:
  A) y = x³ and y = 3x² + x - 28
  B) y = x³ + 3x² + 4x + 4 and the line y = $\frac{28}{x}$
  C) y = x³ + 3x² + 4x and y
  D) y = x² + 3x + 4 and y = $\frac{28}{x}$
  E) y = x² + 3x + 4 and line y = 28x
  Show Answer
  The correct answer is D .
• Question 1695: The prime factors of 2520 are Options:
  A) 2, 9, 5
  B) 2, 9, 7
  C) 2, 3, 5, 7
  D) 2, 3, 7, 9
  Show Answer
  The correct answer is C .
• Question 1696:

  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 .
• Question 1697: Find the value of sin 45^o - cos 30^o Options:
  A) $\frac{2+\sqrt{6}}{4}$
  B) $\frac{\sqrt{2}+\sqrt{3}}{4}$
  C) $\frac{\sqrt{2}+\sqrt{3}}{6}$
  D) $\frac{\sqrt{2}-\sqrt{3}}{2}$
  Show Answer
  The correct answer is D .
• Question 1698:

  

  The bar chart shows different colours of cars passing a particular point of a certain street in two minutes. What fraction of the cars is yellow

  Options:
  A) $\frac{1}{5}$
  B) $\frac{2}{25}$
  C) $\frac{4}{15}$
  D) $\frac{3}{25}$
  Show Answer
  The correct answer is D .
• Question 1699:

  A solid hemisphere has a radius of 7 cm. Find the total surface area.

  Options:
  A) 400 cm²
  B) 462 cm²
  C) 66 cm²
  D) 308 cm²
  Show Answer
  The correct answer is B .
• Question 1700: On a pie chart, there are six sectors of which four angles are 30^o, 45^o, 60^o, 90^o and the remaining two angles are in the ratio 2 : 1. Find the smaller angles of the remaining two angles Options:
  A) 15^o
  B) 30^o
  C) 45^o
  D) 60^o
  Show Answer
  The correct answer is C .