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 251: Solve the simultaneous equations 2x - 3y + 10 = 10x - 6y = 5 Options:
  A) x = 2$\frac{1}{2}$, y = 3$\frac{1}{2}$
  B) x = $\frac{1}{2}$, y = $\frac{3}{2}$
  C) x = 2$\frac{1}{4}$, y = 3$\frac{1}{2}$
  D) x = 2$\frac{1}{3}$, y = 3$\frac{1}{2}$
  E) x = 2$\frac{1}{3}$, y = 2$\frac{1}{2}$
  Show Answer
  The correct answer is A .
• Question 252: The remainder when 6p³ - p² - 47p + 30 is divided by p - 3 is Options:
  A) 21
  B) 42
  C) 63
  D) 18
  Show Answer
  The correct answer is B .
• Question 253: The acres for rice, pineapple, cassava, cocoa, and palm oil in a certain district are given respectively as 2, 5, 3, 11, and 9. What is the angle sector for cassava in a pie chart? Options:
  A) 108°
  B) 180°
  C) 36°
  D) 60°
  Show Answer
  The correct answer is C .
• Question 254:

  

  Find the mean of the distribution above

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is C .
• Question 255:

  Find the area of a regular hexagon inscribed in a circle of radius 8cm

  Options:
  A) 16$\sqrt{3}$ cm²
  B) 96$\sqrt{3}$ cm²
  C) 192$\sqrt{3}$ cm²
  D) 16$\sqrt{3}$ cm²
  E) 33cm²
  Show Answer
  The correct answer is B .
• Question 256: A petrol attendant recorded the number of vehicles that bought petrol from him for -3 hours and recorded 12 cars and 27 buses. What is the probability that the next vehicle will be a bus? Options:
  A) $\frac{4}{39}$
  B) $\frac{4}{13}$
  C) $\frac{5}{13}$
  D) $\frac{6}{13}$
  E) $\frac{9}{13}$
  Show Answer
  The correct answer is E .
• Question 257: Factorize completely x² + 12xy + y + 3x + 3y - 18 Options:
  A) (x + y + 6)(x + y -3)
  B) (x - y - 6)(x - y + 3)
  C) (x - y + 6)(x - y - 3)
  D) (x + y - 6)(x + y + 3)
  Show Answer
  The correct answer is A .
• Question 258:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 259: A man is 40m from the foot of a cliff of height 23m. Calculate the angle of elevation of the top of the cliff from the man Options:
  A) 50° 54′
  B) 35° 06′
  C) 30° 00′
  D) 290 90′
  E) 29° 54′
  Show Answer
  The correct answer is E .
• Question 260: The arithmetic mean of the ages of 30 pupils in a class is 15.3 years. One boy leaves the class and one girl is enrolled, and the new average age of 30 pupils in the class becomes 15.2 years. How much older is the boy than the girl?
  Options:
  A) 30 years
  B) 6 years
  C) 9 years
  D) 3 years
  E) 1 year
  Show Answer
  The correct answer is D .