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 1331: The area of a square is 444 sqcm. Find the length of the diagonal. Options:
  A) 12$\sqrt{2}$ cm
  B) 11$\sqrt{3}$cm
  C) 13 cm
  D) 12 cm
  Show Answer
  The correct answer is A .
• Question 1332: In the equation below, Solve for x if all the numbers are in base 2: $\frac{11}{x}$ = $\frac{1000}{x+101}$ Options:
  A) 101
  B) 11
  C) 110
  D) 111
  E) 10
  Show Answer
  The correct answer is B .
• Question 1333:

  

  TP and TQ are tangents to a circle centre 0 and r is a point on the circumference of the circle as shown in the figure. If angle PTQ = 45${}^{\circ }$, what is the magnitude of the angle PRO?

  Options:
  A) 45
  B) 135
  C) 40
  D) 76$\frac{1}{2}$
  E) 52$\frac{1}{2}$
  Show Answer
  The correct answer is D .
• Question 1334:

  4, 16, 30, 20, 10, 14 and 26 are represented on a pie chart. Find the sum of the angles of the bisectors representing all numbers equals to or greater than 16

  Options:
  A) 48^o
  B) 84^o
  C) 92^o
  D) 276^o
  Show Answer
  The correct answer is D .
• Question 1335: If 7 and 189 are the first and fourth terms of geometric progression respectively, find the sum of the first three terms of the progression Options:
  A) 182
  B) 91
  C) 63
  D) 28
  Show Answer
  The correct answer is B .
• Question 1336: Simplify $\frac{x(x+1{)}^{\frac{1}{2}}-(x+1{)}^{\frac{1}{2}}}{(x+1{)}^{\frac{1}{2}}}$ Options:
  A) $\frac{-1}{x+1}$
  B) $\frac{1}{x+1}$
  C) $\frac{1}{x}$
  D) $\frac{1}{x-1}$
  Show Answer
  The correct answer is A .
• Question 1337: Find the sum of the range and the mode of the set of numbers 10, 9, 10, 9, 8, 7, 7, 10, 8, 10, 8, 4, 6, 9, 10, 9, 7, 10, 6, 5 Options:
  A) 16
  B) 14
  C) 12
  D) 10
  Show Answer
  The correct answer is A .
• Question 1338: Find the sum to infinity of the following series. 0.5 + 0.05 + 0.005 + 0.0005 + ..... Options:
  A) $\frac{5}{8}$
  B) $\frac{5}{7}$
  C) $\frac{5}{11}$
  D) $\frac{5}{9}$
  Show Answer
  The correct answer is D .
• Question 1339:

  If y varies inversely as x and x = 3 when y =4. Find the value of x when y = 12

  Options:
  A) 4
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is B .
• Question 1340: Evaluate $\frac{21}{9}$ to 3 significant figures Options:
  A) 2.30
  B) 2.31
  C) 2.32
  D) 2.33
  Show Answer
  The correct answer is D .