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 1131:

  This table below gives the scores of a group of students in a Further Mathematics Test.

  Score	1	2	3	4	5	6	7
  Frequency	4	6	8	4	10	6	2

  Calculate the mean deviation for the distribution

  Options:
  A) 4.32
  B) 2.81
  C) 1.51
  D) 3.90
  Show Answer
  The correct answer is C .
• Question 1132: The thickness of an 800 pages of book is 18mm. Calculate the thickness of one leaf of the book giving your answer in meters and in standard form Options:
  A) 2.25 x 10^-4m
  B) 50 x 10^-4m
  C) 2.25 x 10^-5m
  D) 4.50 x 10^-5m
  Show Answer
  The correct answer is C .
• Question 1133: x is directly proportional to y and inversely proportional to z. If x = 9 when y = 24 and z = 8, what is the value of x when y = 5 and z = 6? Options:
  A) $\frac{5}{6}$
  B) 11
  C) 3$\frac{3}{5}$
  D) 2$\frac{1}{2}$
  E) 1$\frac{1}{5}$
  Show Answer
  The correct answer is D .
• Question 1134: A hunter 1.6 m tall, views a bird on top of a tree at an angle of 45 degrees. if the distance between the hunter and the tree is 10.4 m, find the height of the tree. Options:
  A) 9.0 m
  B) 12. 0 m
  C) 8.8 m
  D) 10.4 m
  Show Answer
  The correct answer is B .
• Question 1135:
  

  In the figure, find x

  Options:
  A) 40^o
  B) 55^o
  C) 50^o
  D) 60^o
  Show Answer
  The correct answer is A .
• Question 1136: The shadow of a pole 5√3m high is 5m. Find the angle of elevation of the sun. Options:
  A) 45${}^{\circ }$
  B) 75${}^{\circ }$
  C) 30${}^{\circ }$
  D) 60${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 1137:

  Simplify (1 + $\frac{\frac{x-1}{1}}{\frac{1}{x+1}}$)(x + 2)

  Options:
  A) (x² - 1)(x + 2)
  B) x²(x + 2)
  C) x² + 34
  D) $\frac{3x^2-1}{(x-1)}$
  Show Answer
  The correct answer is B .
• Question 1138: A ladder resting on a vertical wall makes an angles whose tangent is 2.4 with the ground. If the distance between the foot of the ladder and the wall is 50cm, What is the length of the ladder? Options:
  A) 1m
  B) 1.1m
  C) 1.2m
  D) 0.9m
  E) 1.3m
  Show Answer
  The correct answer is E .
• Question 1139:

  Find the value of y if ${402}_y={102}_{ten}$

  Options:
  A) 4
  B) 2
  C) 5
  D) 3
  Show Answer
  The correct answer is C .
• Question 1140: If x⁴ - kx³ + 10x² + 1x - 3 is divisible by (x - 1), and if when it is divided by (x + 2) the remainder is 27, find the constants k and 1 Options:
  A) k = -7, 1 = -15
  B) k = -15, 1 = -7
  C) k = $\frac{15}{3}$ , 1 = -7
  D) k = $\frac{7}{3}$ , 1 = -17
  Show Answer
  The correct answer is A .