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 1501: Find the derivative of y = sin(2x³ + 3x - 4) Options:
  A) cos (2x³ + 3x - 4)
  B) -cos (2x³ + 3x - 4)
  C) (6x² + 3) cos (2x³ + 3x - 4)
  D) -(6x² + 3) cos (2x³ + 3x - 4)
  Show Answer
  The correct answer is C .
• Question 1502: Find the value of x for which the function y = x³ - x has a minimum value. Options:
  A) $-\sqrt{3}$
  B) $-\sqrt{\frac{3}{3}}$
  C) $\sqrt{\frac{3}{3}}$
  D) $\sqrt{3}$
  Show Answer
  The correct answer is C .
• Question 1503: If y = x Sin x, find $\frac{dy}{dx}$ when x = $\frac{\pi }{2}$ Options:
  A) $\frac{-\pi }{2}$
  B) -1
  C) 1
  D) $\frac{\pi }{2}$
  Show Answer
  The correct answer is C .
• Question 1504: 22$\frac{1}{2}$% of the Nigerian Naira is equal to 17$\frac{1}{10}$% of a foreign currency M. What is the conversion rate of the M to the Naira? Options:
  A) 1M = 1$\frac{15}{57}$N
  B) 1M = 38$\frac{1}{4}$N
  C) 1M = 1$\frac{18}{57}$N
  D) 1M = 384$\frac{3}{4}$N
  Show Answer
  The correct answer is C .
• Question 1505:

  From a point P, R is 5km due West and 12km due South. Find the distance between P and R'.

  Options:
  A) 5km
  B) 12km
  C) 13km
  D) 17km
  Show Answer
  The correct answer is C .
• Question 1506: The first and last term of a linear sequence (AP) are 6 and 10 respectively. If the sum of the sequence is 40. Find the number of terms. Options:
  A) nth = 3
  B) nth = 4
  C) nth = 5
  D) nth = 6
  Show Answer
  The correct answer is C .
• Question 1507: Simplify 7$\frac{1}{12}$ - 4$\frac{3}{2}$ + 2$\frac{1}{2}$ Options:
  A) 4
  B) 4$\frac{1}{6}$
  C) 4$\frac{5}{6}$
  D) 5$\frac{1}{6}$
  Show Answer
  The correct answer is C .
• Question 1508: 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 1509: The probability of picking a letter T fr4om the word OBSTRUCTION is Options:
  A) ¹/₁₁
  B) ²/₁₁
  C) ³/₁₁
  D) ⁴/₁₁
  Show Answer
  The correct answer is B .
• Question 1510:

  A rectangular plot of land has sides with lengths of 38 m and 52 m corrected to the nearest m. Find the range of the possible values of the area of the rectangle

  Options:
  A) 1931.25 m${}^2$ ≤ A < 2021.25 m${}^2$
  B) 1950 m${}^2$ ≤ A < 2002 m${}^2$
  C) 1957 m${}^2$ ≤ A < 1995 m${}^2$
  D) 1931.25 m${}^2$ ≥ A > 2021.25 m${}^2$
  Show Answer
  The correct answer is A .