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 1951: Simplify $\frac{5^x\times {25}^{x-1}}{{125}^{x-1}}$ Options:
  A) 5^{2x + 1}
  B) 5^{x + 1}
  C) 5^-5
  D) 5²
  E) 5³
  Show Answer
  The correct answer is C .
• Question 1952:

  Divide the L.C.M of 48, 64 and 80 by their H.C.F.

  Options:
  A) 20
  B) 30
  C) 48
  D) 60
  Show Answer
  The correct answer is D .
• Question 1953: If cos(x + 40)^o = 0.0872, what is the value of x? Options:
  A) 85^o
  B) 75^o
  C) 65^o
  D) 45^o
  Show Answer
  The correct answer is D .
• Question 1954:

  Evaluate (0.14² x 0.275) ÷ 7(0.02) to 3 decimal places.

  Options:
  A) 0.039
  B) 0.358
  C) 0.033
  D) 0.308
  Show Answer
  The correct answer is A .
• Question 1955: A circle of perimeter 28cm is opened to form a square. What is the maximum possible area of the square? Options:
  A) 56cm²
  B) 49cm²
  C) 98cm²
  D) 28cm²
  Show Answer
  The correct answer is B .
• Question 1956:

  Factorise(4a + 3) ${}^2$ - (3a - 2)${}^2$

  Options:
  A) (a + 1)(a + 5)
  B) (a - 5)(7a - 1)
  C) (a + 5)(7a + 1)
  D) a(7a + 1)
  Show Answer
  The correct answer is C .
• Question 1957: find the equation of the curve which passes through by 6x - 5 Options:
  A) 6x² - 5x + 5
  B) 6x² + 5x + 5
  C) 3x² - 5x - 5
  D) 3x² - 5x + 3
  Show Answer
  The correct answer is D .
• Question 1958: Convert 2232₄ to base six Options:
  A) 450₆
  B) 254₆
  C) 553₆
  D) 540₆
  Show Answer
  The correct answer is A .
• Question 1959:

  Simplify $\frac{3}{5}$ $÷$ ($\frac{2}{7}$ x $\frac{4}{3}$ $÷$ $\frac{4}{9}$)

  Options:
  A) $\frac{6}{7}$
  B) $\frac{4}{5}$
  C) $\frac{7}{10}$
  D) $\frac{21}{6}$
  Show Answer
  The correct answer is C .
• Question 1960: A chord XY of a circle with centre O and radius 5.32cm has ∠XOY = 140°. What is the length of the chord to the nearest centimetre? Options:
  A) 10cm
  B) 6cm
  C) 5cm
  D) 3cm
  E) 1cm
  Show Answer
  The correct answer is A .