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 851: Find the simple interest rate percent per annum at which ₦1,000 accumulates to ₦1,240 in 3 years Options:
  A) 6%
  B) 8%
  C) 10%
  D) 12%
  Show Answer
  The correct answer is B .
• Question 852: Simplify $\frac{1}{1+\sqrt{5}}$ - $\frac{1}{1-\sqrt{5}}$ Options:
  A) - $\frac{1}{2}\sqrt{5}$
  B) $\frac{1}{2}\sqrt{5}$
  C) -- $\frac{1}{4}\sqrt{5}$
  D) 5
  Show Answer
  The correct answer is A .
• Question 853:

  

  If the area of $△$PQR above is 12$\sqrt{3}$cm², find the value of q?

  Options:
  A) 7cm
  B) 8cm
  C) 5cm
  D) 6cm
  Show Answer
  The correct answer is D .
• Question 854: If y = x² - (1/x). find dy/dx Options:
  A) 2x - (1/x²)
  B) 2x + x²
  C) 2x - x²
  D) 2x + (1/x²)
  Show Answer
  The correct answer is D .
• Question 855: The lengths of the sides of a right angled triangle are (3x + 1)cm, (3x - 1)cm and xcm. Find x Options:
  A) 2
  B) 6
  C) 18
  D) 12
  E) 5
  Show Answer
  The correct answer is D .
• Question 856: if X = {n² + 1 : n = 0, 2, 3} and y = {n + 1 : n = 2, 3, 4, 5}, find x ∩ y Options:
  A) {1, 3}
  B) {5,10}
  C) $\mathrm{\Phi }$
  D) (4, 6)
  Show Answer
  The correct answer is C .
• Question 857: Simplify (0.09)² and give your answer correct to 4 significant figures Options:
  A) 0.81
  B) 0.081
  C) 0.0081
  D) 8.0001
  Show Answer
  The correct answer is C .
• Question 858: If the locus of the points which are equidistant from points P and Q meets line PQ at point N, then PN equals Options:
  A) 2NQ
  B) NQ
  C) $\frac{1}{4}$NQ
  D) $\frac{1}{2}$NQ
  Show Answer
  The correct answer is B .
• Question 859: If y = x² - 2x - 3, Find the least value of y and corresponding value of x Options:
  A) x = 3, y = 3
  B) x = 1, y = -3
  C) x = 4, y = 1
  D) x = 1, y = -4
  E) x = 2, y = -3
  Show Answer
  The correct answer is D .
• Question 860:

  Find the range of these fractions:

  1/6, 1/3, 3/2, 2/3, 8/9 and 4/3.

  Options:
  A) 3/4
  B) 5/6
  C) 7/6
  D) 4/3
  Show Answer
  The correct answer is D .