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 2211:

  A room is12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room

  Options:
  A) $\frac{15}{17}$
  B) $\frac{8}{17}$
  C) $\frac{8}{15}$
  D) $\frac{12}{17}$
  Show Answer
  The correct answer is A .
• Question 2212: Given that cos z = L , whrere z is an acute angle, find an expression for $\frac{\text{cot z - cosec z}}{\text{sec z + tan z}}$ Options:
  A) $\frac{1-L}{1+L}$
  B) $\frac{L^2\sqrt{3}}{1+L}$
  C) $\frac{1+L^3}{L^2}$
  D) $\frac{L(L-1)}{1-L+1\sqrt{1-L^2}}$
  Show Answer
  The correct answer is D .
• Question 2213: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 2214:

  Find the median of 2, 3, 7, 3, 4, 5, 8, 9, 9, 4, 5, 3, 4, 2, 4 and 5

  Options:
  A) 9
  B) 8
  C) 7
  D) 4
  Show Answer
  The correct answer is D .
• Question 2215: Given that 3x - 5y - 3 = 0, 2y - 6x + 5 = 0 the value of (x, y) is Options:
  A) ($\frac{-1}{8},\frac{19}{24}$)
  B) 8, $\frac{24}{19}$
  C) -8, $\frac{24}{19}$
  D) ($\frac{19}{24},\frac{-1}{8}$)
  Show Answer
  The correct answer is D .
• Question 2216: 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 2217:

  

  In the figure, PQRS is a square of sides 8cm. What is the area of $△$UVW?

  Options:
  A) 64 sq. cm
  B) 40 sq.cm
  C) 50 sq.cm
  D) 10 sq.cm
  Show Answer
  The correct answer is D .
• Question 2218:

  The 4th term of an A.P is 13 while the 10th term is 31. Find the 21st term

  Options:
  A) 175
  B) 85
  C) 64
  D) 45
  Show Answer
  The correct answer is C .
• Question 2219:

  Find the missing value in the following table:

  $\begin{array}{ccccccc}x& -2& -1& 0& 1& 2& 3\\ y=x^3-x+3& & 3& 3& 3& 9& 27\end{array}$

  Options:
  A) -3
  B) 3
  C) -9
  D) 13
  E) 9
  Show Answer
  The correct answer is A .
• Question 2220: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .