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 491: Find the range of values of x which satisfy the inequality $\frac{x}{2}$ + $\frac{x}{3}$ + $\frac{x}{4}$ < 1 Options:
  A) x < $\frac{12}{13}$
  B) x < 13
  C) x < 9
  D) $\frac{13}{12}$
  Show Answer
  The correct answer is A .
• Question 492: Simplify log¹⁰ a^{$\frac{1}{3}$} + $\frac{1}{4}$log₁₀ a - $\frac{1}{12}$log₁₀a⁷ Options:
  A) 1
  B) $\frac{7}{6}$log₁₀ a
  C) zero
  D) 10
  Show Answer
  The correct answer is C .
• Question 493: If $\frac{9^{2x-1}}{{27}^{x+1}}=1$find the value of x. Options:
  A) 8
  B) 5
  C) 3
  D) 2
  Show Answer
  The correct answer is B .
• Question 494: Bola choose at random a number between 1 and 300. What is the probability that the number is divisible by 4? Options:
  A) $\frac{1}{4}$
  B) $\frac{4}{4}$
  C) $\frac{6}{4}$
  D) $\frac{7}{4}$
  Show Answer
  The correct answer is A .
• Question 495: Find x if (x_base4)² = 100100_base2 Options:
  A) 6
  B) 12
  C) 100
  D) 210
  E) 110
  Show Answer
  The correct answer is B .
• Question 496: If the mean of the numbers 0, (x+2), (3x+6), and (4x+8) is 4, find their mean deviation. Options:
  A) zero
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is C .
• Question 497:

  The smallest number such that when it is divided by 3 has a remainder of 6 and when it is divided by 9, has a remainder of 7 is

  Options:
  A) 387
  B) 493
  C) 502
  D) 441
  E) 634
  Show Answer
  The correct answer is C .
• Question 498: Simplify 2log $\frac{2}{5}$ - log$\frac{72}{125}$ + log 9 Options:
  A) 1 - 4 log3
  B) -1 + 2 log 3
  C) -1 + 5 log2
  D) 1 - 2log 2
  Show Answer
  The correct answer is D .
• Question 499:

  The ages of students in a small primary school were recorded in the table below.

  Age	5 - 6	7 - 8	9 -10
  Frequency	29	40	38

  
  Estimate the mean

  Options:
  A) 7.7
  B) 7.5
  C) 7.8
  D) 7.6
  Show Answer
  The correct answer is A .
• Question 500: if x : y = 5 : 12 and z = 52cm, find the perimeter of the triangle Options:
  A) 68cm
  B) 84cm
  C) 100cm
  D) 120cm
  Show Answer
  The correct answer is D .