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 361: Find the value of k if $\frac{5+2r}{(r+1)(r-2)}$ expressed in partial fraction is $\frac{k}{r-2}$ + $\frac{L}{r+1}$ where K and L are constants Options:
  A) 3
  B) 2
  C) 1
  D) -1
  Show Answer
  The correct answer is A .
• Question 362:

  

  In an examination, the result of a certain school is as shown in the histogram above. How many candidates did the school present?

  Options:
  A) 12
  B) 16
  C) 18
  D) 19
  Show Answer
  The correct answer is D .
• Question 363: In a class of 150 students, the sector in a pie chart representing the students offering Physics has angle 12^o. How many students are offering Physics? Options:
  A) 18
  B) 15
  C) 10
  D) 5
  Show Answer
  The correct answer is D .
• Question 364:

  

  XYZ is a triangle and XW is perpendicular to YZ at = W. If XZ = 5cm and WZ = 4cm, Calculate XY.

  Options:
  A) 5$\sqrt{3}$cm
  B) 3$\sqrt{5}$cm
  C) 3$\sqrt{3}$cm
  D) 5cm
  E) 6cm
  Show Answer
  The correct answer is B .
• Question 365: In $△$PQR, PQ = 10cm, QR = 8cm and RP = 6cm, the perpendicular RS is drawn from R to PQ. Find the length of RS Options:
  A) 4cm
  B) 32cm
  C) $\frac{30}{7}$
  D) $\frac{40}{7}$
  E) 4.8cm
  Show Answer
  The correct answer is E .
• Question 366: Evaluate $\frac{\frac{3}{8}÷\frac{1}{2}-\frac{1}{3}}{\frac{1}{8}\times \frac{2}{3}+\frac{1}{3}}$ Options:
  A) $\frac{1}{4}$
  B) $\frac{1}{3}$
  C) $\frac{1}{2}$
  D) 1
  Show Answer
  The correct answer is D .
• Question 367: 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 368:

  

  From the cyclic quadrilateral MNOP above, find the value of x.

  Options:
  A) 16°
  B) 25°
  C) 42°
  D) 39°
  Show Answer
  The correct answer is D .
• Question 369: express 62 $÷$ 3 as a decimal correct to 3 significant figures Options:
  A) 20.6
  B) 20.667
  C) 20.67
  D) 20.7
  Show Answer
  The correct answer is D .
• Question 370: If sine x equals cosine x, what is x in radians? Options:
  A) $\frac{\pi }{2}$
  B) $\frac{\pi }{3}$
  C) $\frac{\pi }{4}$
  D) $\frac{\pi }{6}$
  E) $\frac{\pi }{12}$
  Show Answer
  The correct answer is C .