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 1341: Find $\frac{dy}{dx}$, if y = $\frac{2}{3}$ X³ - $\frac{4}{x}$ Options:
  A) 3x² - $\frac{4}{x}$
  B) 2x² +$\frac{4}{x^2}$
  C) 3x² + $\frac{4}{x^2}$
  D) 2x² - $\frac{4}{x}$
  Show Answer
  The correct answer is B .
• Question 1342: 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 1343: Solve the inequality x - 1 > 4(x + 2)
  Options:
  A) x > -3
  B) x < -3
  C) 2 < x < 3
  D) -3 < x < -2
  Show Answer
  The correct answer is B .
• Question 1344: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 1345:

  

  The bar chart above shows the allotment of time(in minutes) per week for selected subjects in a certain school. What is the total time allocated to the six subjects per week?

  Options:
  A) 460mins
  B) 720mins
  C) 960mins
  D) 200mins
  Show Answer
  The correct answer is B .
• Question 1346: Convert 27₁₀ to another number in base three Options:
  A) 1001₃
  B) 1010₃
  C) 1100₃
  D) 1000₃
  Show Answer
  The correct answer is D .
• Question 1347:

  

  In the diagram above, |PQ| = |QR|, |PS| = |RS|, ∠PSR = 30^o and ∠PQR = 80^o. Find ∠SPQ.

  Options:
  A) 15^o
  B) 25^o
  C) 40^o
  D) 50^o
  E) 55^o
  Show Answer
  The correct answer is B .
• Question 1348:

  

  The people in a city with a population of 0.9 million were grouped according to their ages. Use the diagram to determine the number of people in the 15 - 29 years group

  Options:
  A) 29 x 10⁴
  B) 26 x 10⁴
  C) 16 x 10⁴
  D) 13 x 10⁴
  Show Answer
  The correct answer is B .
• Question 1349:

  A cylindrical tank has a capacity of 3080 m³. What is the depth of the tank if the diameter of its base is 14 m?

  (Take pi = 22/7)

  Options:
  A) 23 m
  B) 25 m
  C) 20 m
  D) 22 m
  Show Answer
  The correct answer is C .
• Question 1350:

  

  The cumulative frequency curve represents the ages of ages of students in a school. What age group do 70% of the students belongs?

  Options:
  A) 17.5 - 20.5
  B) 16.5 - 19.5
  C) 15.5 - 19.5
  D) 15.5 - 18.5
  Show Answer
  The correct answer is A .