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 991:

  

  In the diagram, EFGH is a cyclic quadrilateral in which EH || FG, EG and FH are chords. If < FHG = 424${}^{\circ }$ and < EFH = 34${}^{\circ }$

  Options:
  A) 34${}^{\circ }$
  B) 42${}^{\circ }$
  C) 52${}^{\circ }$
  D) 76${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 992:

  Each of the interior angles of a regular polygon is 140°. How many sides has the polygon?

  Options:
  A) 9
  B) 8
  C) 7
  D) 5
  Show Answer
  The correct answer is A .
• Question 993: A basket contain green, black and blue balls in the ratio 5 : 2 : 1. If there are 10 blue balls. Find the corresponding new ratio when 10 green and 10 black balls are removed from the basket Options:
  A) 1 : 1 : 1
  B) 4 : 2 : 1
  C) 5 : 1 : 1
  D) 4 : 1 : 1
  Show Answer
  The correct answer is D .
• Question 994: What is the length of an arc of a circle that substends 2$\frac{1}{2}$ radians at the centre when the raduis of the circle = $\frac{k}{k+1}$ + $\frac{k+1}{k}$ then
  Options:
  A) p< 0
  B) p$\ge$ 0
  C) p $\le$ 0
  D) p < 1
  E) p > 0
  Show Answer
  The correct answer is E .
• Question 995: The ratio of the length of two similar rectangular blocks is 2 : 3. If the volume of the larger block is 351cm³, then the volume of the other block is Options:
  A) 234.00 cm³
  B) 526.50 cm³
  C) 166.00 cm³
  D) 687cm³
  Show Answer
  The correct answer is A .
• Question 996: In a restaurant, the cost of providing a particular type of food is partly constant and partially inversely proportional to the number of people. If cost per head for 100 people is 30k and the cost for 40 people is 60k, Find the cost for 50 people? Options:
  A) 15k
  B) 20k
  C) 50k
  D) 40k
  E) 45k
  Show Answer
  The correct answer is C .
• Question 997:

  A circle has a radius of 13 cm with a chord 12 cm away from the centre of the circle. Calculate the length of the chord.

  Options:
  A) 16 cm
  B) 8 cm
  C) 5 cm
  D) 10 cm
  Show Answer
  The correct answer is D .
• Question 998:

  

  In the diagram, QP//ST:PQR = 34${}^{\circ }$ QRS = 73${}^{\circ }$ and RS = RT. Find SRT

  Options:
  A) 68${}^{\circ }$
  B) 102${}^{\circ }$
  C) 107${}^{\circ }$
  D) 141${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 999:

  find the range of values of values of r which satisfies the following inequality, where a, b and c are positive $\frac{r}{a}$ + $\frac{r}{b}$ + $\frac{r}{c}$ > 1

  Options:
  A) r > $\frac{abc}{bc+ac+ab}$
  B) r < abc
  C) r > $\frac{1}{a}$ + $\frac{1}{b}$ + $\frac{1}{c}$
  D) r < $\frac{1}{abc}$
  Show Answer
  The correct answer is A .
• Question 1000:

  

  The bar chart shows the number of times the word a, and, in, it, he, to appear in a paragraph in a book. What is the ratio of the least frequent word?

  Options:
  A) $\frac{1}{4}$
  B) $\frac{1}{3}$
  C) $\frac{2}{3}$
  D) $\frac{3}{4}$
  Show Answer
  The correct answer is A .