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 1211: At what rate will the interest on ₦400 increases to ₦24 in 3 years reckoning in simple interest? Options:
  A) 3%
  B) 2%
  C) 5%
  D) 4%
  Show Answer
  The correct answer is B .
• Question 1212: Find the least length of a rod which can be cut into exactly equal strips, each of either 40cm or 48cm in length Options:
  A) 120cm
  B) 240cm
  C) 360cm
  D) 480cm
  Show Answer
  The correct answer is B .
• Question 1213: Factorize 4a² - 12ab - C² + 9b² Options:
  A) 4a(a - 3b) + (3b - c)²
  B) (2a + 3b - c)(2a + 3b + c)
  C) (2a - 3b + c)(2a - 3b - c)
  D) 4a(a - 3b) + (3b + c)
  Show Answer
  The correct answer is C .
• Question 1214: From two points x and y, 8m apart, and in line with a pole, the angle of elevation of the top of the pole are 30^o and 60^o respectively. Fins the height of the pole assuming that x, y and the foot of the pole are the same horizontal plane and x and y are on the same side of the pole. Options:
  A) $\sqrt{6}$
  B) 4$\sqrt{3}$
  C) $\sqrt{3}$
  D) $\frac{12}{\sqrt{3}}$
  Show Answer
  The correct answer is B .
• Question 1215: The bearing of a bird on a tree from a hunter on the ground is ₦72^oE. What is the bearing of the hunter from the birds? Options:
  A) S 18^o W
  B) S 72^o W
  C) S 72^o E
  D) S 27^o E
  E) S 27^o W
  Show Answer
  The correct answer is E .
• Question 1216: The mean of seven numbers is 96. If an eighth number is added, the mean becomes 112. Find the eighth number. Options:
  A) 126
  B) 180
  C) 216
  D) 224
  Show Answer
  The correct answer is D .
• Question 1217: Find, correct to three significant figures, the value of $\sqrt{41830}$. Options:
  A) 205
  B) 647
  C) 2050
  D) 6470
  E) 64.7
  Show Answer
  The correct answer is A .
• Question 1218: If y = (1 + x)², find $\frac{dy}{dx}$ Options:
  A) x - 1
  B) 2 + 2x
  C) 1 + 2x
  D) 2x - 1
  Show Answer
  The correct answer is B .
• Question 1219:

  Find the value of x and y in the simultaneous equation: 3x + y = 21; xy = 30

  Options:
  A) x = 3 or 7, y = 12 or 8
  B) x = 6 or 1, y = 11 or 5
  C) x = 2 or 5, y = 15 or 6
  D) x = 1 or 5, y = 10 or 7
  Show Answer
  The correct answer is C .
• Question 1220: Find the value of P if the line joining (P, 4) and (6, -2) is perpendicular to the line joining (2, P) and (-1, 3). Options:
  A) 4
  B) 6
  C) 3
  D) zero
  Show Answer
  The correct answer is D .