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 1121: Express 37.05 x 0.0042 in standard form Options:
  A) 15.561 x 10²
  B) 1.5561 x 10^-4
  C) 1.556 x 10^-1
  D) 1.5561 x 10¹
  E) 1.55 x 10¹
  Show Answer
  The correct answer is C .
• Question 1122: Find the point (x, y) on the Euclidean plane where the curve y = 2x² - 2x + 3 has 2 as gradient Options:
  A) (1, 3)
  B) (2, 7)
  C) (0, 3)
  D) (3, 15)
  Show Answer
  The correct answer is A .
• Question 1123:

  

  The table above shows the scores of a group of students in a physics test. If the mode is m and the number of students who scored 4 or more is n, what is (n, m)?

  Options:
  A) (33, 4)
  B) (22, 4)
  C) (33, 12)
  D) (12, 4)
  Show Answer
  The correct answer is A .
• Question 1124: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1125: Rationalize the denominator of the given expression $\frac{\sqrt{1+a}-\sqrt{a}}{1+a+\sqrt{a}}$ Options:
  A) 1 + 2a - 2$\sqrt{a(1+a)}$
  B) $\sqrt{1(1+a)}$
  C) 2a - 2$\sqrt{a(1+a)}$
  D) 1 + 2a - 2$\sqrt{a+b}$
  Show Answer
  The correct answer is A .
• Question 1126: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1127:

  find the limit of y = $\frac{x^3+6x-7}{x-1}$ as x tends to 1

  Options:
  A) 9
  B) 8
  C) 0
  D) 7
  Show Answer
  The correct answer is A .
• Question 1128: On a square paper of length 2.524375cm is inscribed square diagram of length 0.524375cm. Find the area of the paper not covered by the diagram. correct to 3 significant figures. Options:
  A) 6.00cm²
  B) 6.10cm²
  C) 6cmv
  D) 6.09cm²
  E) 4.00cm²
  Show Answer
  The correct answer is B .
• Question 1129:

  

  The grades A1, A2, A3, C4 and F earned by students in a particular course are shown in the pie chart. What percentage of the students obtained a C4 grade?

  Options:
  A) 52.0
  B) 43.2
  C) 40.0
  D) 12.0
  Show Answer
  The correct answer is D .
• Question 1130:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .