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 2071:

  The perimeter of an isosceles right-angledtriangle is 2 meters. Find the length of its longer side.

  Options:
  A) 2 - $\sqrt{2}$
  B) -4 + 3$\sqrt{2}$
  C) It cannot be determined
  D) -2 + 2$\sqrt{2}$ m
  Show Answer
  The correct answer is D .
• Question 2072: A survey of 100 students in an institution shows that 80 students speak Hausa and 20 students speak Igbo, while only 9 students speak both language. How many students speak neither Hausa nor Igbo? Options:
  A) orange
  B) 9
  C) 11
  D) 20
  Show Answer
  The correct answer is B .
• Question 2073:

  The table shown gives the marks scored by a group of student in a test. Use the table to answer the question given.

  Mark	0	1	2	3	4	5
  Frequency	1	2	7	5	4	3

  What is the median mark?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is C .
• Question 2074: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 2075: If m and n are the mean and median respectively of the set of numbers 2, 3, 9, 7, 6, 7, 8, 5, find m + 2n to the nearest whole number Options:
  A) 19
  B) 18
  C) 13
  D) 12
  Show Answer
  The correct answer is A .
• Question 2076: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 2077:

  

  PQRS is a parallelogram with area 50 square cm and the side PQ is 10cm long. T is a point on RS and TF is the altitude of the triangle TPQ. Find TF

  Options:
  A) 10cm
  B) 12.5cm
  C) 8cm
  D) 6cm
  E) 5cm
  Show Answer
  The correct answer is E .
• Question 2078: What is the mean deviation 0f 3, 5, 8, 11, 12 and 21? Options:
  A) 37
  B) 60
  C) 10
  D) 4.7
  Show Answer
  The correct answer is D .
• Question 2079:

  Determine the mean monthly salary of 50 employees of a company from the following frequency distribution.

  $\begin{array}{cc}\text{Monthly salary}& \text{Frequency}\\ N200.00& 10\\ N325.00& 5\\ N100.00& 20\\ N120.00& 2\\ N60.00& 10\\ N80.00& 3\end{array}$

  Options:
  A) ₦215.30
  B) ₦134.10
  C) ₦143.10
  D) ₦80.00
  E) ₦50.30
  Show Answer
  The correct answer is B .
• Question 2080: If log₁₀2 = x, express log₁₀12.5 in terms of x Options:
  A) 2(1 + x)
  B) 2 + 3x
  C) 2(1 - x)
  D) 2 - 3x
  Show Answer
  The correct answer is D .