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 1411: If y = x sin x, Find $\frac{d^{2}y}{d^{2}x}$ Options:
  A) 2 cosx - x - x sinx
  B) sinx + x cosx
  C) sinx - x cosx
  D) x sinx - 2 cosx
  Show Answer
  The correct answer is A .
• Question 1412: A force of 5 units acts on a particle in the direction to the east and another force of 4 units acts on the particle in the direction north-east. The resultants of the two forces is Options:
  A) $\sqrt{3}$ units
  B) 3 units
  C) $\sqrt{41+20\sqrt{2}}$ units
  D) $\sqrt{41-20\sqrt{2}}$ units
  Show Answer
  The correct answer is C .
• Question 1413: If gt² - k - w = 0, make g the subject of the formula Options:
  A) $\frac{k+w}{t^2}$
  B) $\frac{k-w}{t^2}$
  C) $\frac{k+w}{t}$
  D) $\frac{k-w}{t}$
  Show Answer
  The correct answer is A .
• Question 1414:

  A ship sets sail from port A (86${}^o$N, 56${}^o$W) for port B (86${}^o$N, 64${}^o$W), which is close by. Find the distance the ship covered from port A to port B, correct to the nearest km.

  [Take $\pi$= 3.142 and R = 6370 km]

  Options:
  A) 62 km
  B) 97 km
  C) 389 km
  D) 931 km
  Show Answer
  The correct answer is A .
• Question 1415: If Cos $\theta$ = $\frac{12}{13}$. Find $\theta$ + cos²$\theta$ Options:
  A) $\frac{169}{25}$
  B) $\frac{25}{169}$
  C) $\frac{169}{144}$
  D) $\frac{144}{169}$
  Show Answer
  The correct answer is A .
• Question 1416: Find x if 132_x = 70 _eight. Options:
  A) 5
  B) 3
  C) 6
  D) 1
  Show Answer
  The correct answer is C .
• Question 1417:

  

  In the diagram, PQRS is a circle center O. PQR is a diameter and ∠PRQ = 40^o. Calculate ∠QSR.

  Options:
  A) 30^o
  B) 40^o
  C) 45^o
  D) 50^o
  Show Answer
  The correct answer is D .
• Question 1418: Simplify 3 log₆9 + log₆12 + log₆64 - log₆72 Options:
  A) 5
  B) 7776
  C) log₆31
  D) (7776)₆
  Show Answer
  The correct answer is A .
• Question 1419: Find the median of the set set of numbers 110, 116, 113, 119, 118, 127, 118, 117, 113 Options:
  A) 117.5
  B) 118
  C) 117
  D) 116
  E) 113
  Show Answer
  The correct answer is C .
• Question 1420: If a = 1, b = 3, solve for x in the equation $\frac{a}{a-x}$ = $\frac{b}{x-b}$ Options:
  A) $\frac{4}{3}$
  B) $\frac{2}{3}$
  C) $\frac{3}{2}$
  D) $\frac{3}{4}$
  Show Answer
  The correct answer is C .