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 1431:

  

  In the diagram above, QR // TS, QR : TS = 2.3, Find the ratio of the area of triangle PQR to the area of the trapezium QRST.

  Options:
  A) 4:9
  B) 4:5
  C) 1:3
  D) 2:3
  Show Answer
  The correct answer is B .
• Question 1432:

  If √(2x + 2) − √x = 1, find x.

  Options:
  A) x = 1 twice
  B) x = 0 or 1
  C) x = 3 or 1
  D) x = 2 twice
  Show Answer
  The correct answer is A .
• Question 1433:

  Score (x)	0	1	2	3	4	5	6
  Freq (f)	5	7	3	7	11	6	7

  Find the mean of the data.

  Options:
  A) 3.26
  B) 4.91
  C) 6.57
  D) 3.0
  Show Answer
  The correct answer is A .
• Question 1434: Given that 10^x = 0.2 and log₁₀2 = 0.3010, find x Options:
  A) -1.3010
  B) -0.6990
  C) 0.6990
  D) 1.3010
  E) 0.02
  Show Answer
  The correct answer is B .
• Question 1435: If $\sqrt{x^2+9}$ = x + 1, solve for x Options:
  A) 5
  B) 4
  C) 3
  D) 2
  E) 1
  Show Answer
  The correct answer is B .
• Question 1436:
  

  Find the volume of the composite solid above.

  Options:
  A) 2048 cm${}^3$
  B) 2568 cm${}^3$
  C) 2672 cm${}^3$
  D) 1320 cm${}^3$
  Show Answer
  The correct answer is B .
• Question 1437: The expression x³ - 4x² + cx + d is such that x + 1 is its factor, and its value is 1 when x is -2. Find c and d. Options:
  A) c = 4 and d = -9
  B) c = -4 and d = 9
  C) c = -20 and d = -15
  D) c = 20 and d = -15
  E) c = -20 and d = 15
  Show Answer
  The correct answer is C .
• Question 1438: A polynomial in x whose roots are ⁴/₃ and -³/₅ is Options:
  A) 15x² - 11x – 12
  B) 15x² + 11x – 12
  C) 12x² - x – 12
  D) 12x² + 11x – 15
  Show Answer
  The correct answer is A .
• Question 1439: 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 1440: If y = 3t³ + 2t² - 7t + 3, find $\frac{dy}{dt}$ at t = -1 Options:
  A) -1
  B) 1
  C) -2
  D) 2
  Show Answer
  The correct answer is C .