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 1061: In triangle PQR, PQ = 1cm, QR = 2cm and PQR = 120^o Find the longest side of the triangle Options:
  A) $\sqrt{3}$cm
  B) $\sqrt{7}$cm
  C) 3cm
  D) 7cm
  Show Answer
  The correct answer is B .
• Question 1062: List the integral values of x which satisfy the inequality -1 < 5 - 2x $\ge$ 7. Options:
  A) -1, 0, 1, 2
  B) 0, 1, 2, 3
  C) -0, 1, 2, 3
  D) -1, 0, 2, 3
  Show Answer
  The correct answer is A .
• Question 1063: If (159.75)₁₀ = (y)₆. Find x Options:
  A) x₆ = 123.34₆
  B) x₆ = 424.5₆
  C) x₆ = 122.43₆
  D) x₆ = 124.45₆
  Show Answer
  The correct answer is B .
• Question 1064: The sum of the first n terms of an arithmetic progresssion is 252. If the first term is -16 and the last term is 72, find the number of terms in the series Options:
  A) 6
  B) 7
  C) 8
  D) 9
  Show Answer
  The correct answer is D .
• Question 1065: Find the standard deviation of 5, 4, 3, 2, 1 Options:
  A) $\sqrt{2}$
  B) $\sqrt{3}$
  C) $\sqrt{6}$
  D) $\sqrt{10}$
  Show Answer
  The correct answer is A .
• Question 1066: The locus of a point equidistant from the intersection of lines 3x - 7y + 7 = 0 and 4x - 6y + 1 = 0 is a Options:
  A) line parallel to 7x + 13y + 8 = 0
  B) circle
  C) semicircle
  D) bisector of the line 7x + 13y + 8 = 0
  Show Answer
  The correct answer is A .
• Question 1067:

  Solve the logarithmic equation: $lo{g}_2(6-x)=3-lo{g}_{2}x$

  Options:
  A) $x$ = 4 or 2
  B) $x$ = -4 or -2
  C) $x$ = -4 or 2
  D) $x$ = 4 or -2
  Show Answer
  The correct answer is A .
• Question 1068: A room is 12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room Options:
  A) $\frac{5}{17}$
  B) $\frac{8}{17}$
  C) $\frac{8}{15}$
  D) $\frac{12}{17}$
  Show Answer
  The correct answer is A .
• Question 1069: If y = 4x³ - 2x² + x, find $\frac{\delta y}{\delta x}$ Options:
  A) 8x² - 2x + 1
  B) 8x² - 4x + 1
  C) 12x² - 2x + 1
  D) 12x² - 4x + 1
  Show Answer
  The correct answer is D .
• Question 1070: The angle between latitudes 30^oS and 13^oN is Options:
  A) 17^o
  B) 33^o
  C) 43^o
  D) 53^o
  Show Answer
  The correct answer is C .