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 2771: Make c the subject of formula v = 1 - $\frac{a}{5}$(b + $\frac{3c}{7}$) Options:
  A) [$\frac{7}{3}$ + $\frac{5}{a}$(v - 1)] + b
  B) [$\frac{7b}{3}$ + $\frac{5}{a}$(v - 1)]
  C) $\frac{7}{3}$[b + $\frac{5}{a}$(v - 1)]
  D) $\frac{7}{3}$[b + $\frac{5v-1}{a}$]
  Show Answer
  The correct answer is A .
• Question 2772: A man wishes to keep his money in a savings deposit at 25% compound interest so that after three years he can buy a car for ₦150,000. How much does he need to deposit? Options:
  A) ₦112,000.50
  B) ₦96,000.00
  C) ₦85,714.28
  D) ₦76,800.00
  Show Answer
  The correct answer is D .
• Question 2773: 5, 8, 6 and k occur with frequency 3, 2, 4, and 1 respectively an d have a mean of 5.7. Find the value of k Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .
• Question 2774: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 2775: If P = 18, Q = 21, R = -6 and S = -4, Calculate $\frac{(P-Q{)}^3+S^2}{R^3}$ + S² Options:
  A) $\frac{-11}{216}$
  B) $\frac{11}{216}$
  C) $\frac{-43}{116}$
  D) $\frac{43}{116}$
  Show Answer
  The correct answer is B .
• Question 2776: On each market day Mrs. Bassey walks to the market from her home at a steady speed. This journey normally takes her 2 hours to complete. She finds, however, that by increasing her usual speed by 1 km/hr she can save 20 minutes. Find her usual speed in km/hr Options:
  A) 1$\frac{2}{3}$
  B) 2
  C) 5
  D) 6
  E) 10
  Show Answer
  The correct answer is C .
• Question 2777: The midpoint of P(x, y) and Q(8, 6). Find x and y. midpoint = (5, 8) Options:
  A) (2, 10)
  B) (2, 8)
  C) (2, 12)
  D) (2, 6)
  Show Answer
  The correct answer is A .
• Question 2778: An isosceles triangle of sides 13cm, 13cm, 10cm is inscribed in a circle. What is the radius of the circle? Options:
  A) 7$\frac{1}{24}$cm
  B) 12cm
  C) 8cm
  D) 7cm
  E) 69cm
  Show Answer
  The correct answer is A .
• Question 2779: Twice a number, x, is added to 5, the result is at least 11. What is the range of values of x?
  Options:
  A) x > 3
  B) x ≥ 3
  C) x ≤ 3
  D) x < 3
  E) x ≤ -3
  Show Answer
  The correct answer is B .
• Question 2780: If x, y can take values from the set (1, 2, 3, 4), find the probability that the product of x and y is not greater than 6 Options:
  A) $\frac{5}{8}$
  B) $\frac{5}{16}$
  C) $\frac{1}{2}$
  D) $\frac{3}{8}$
  Show Answer
  The correct answer is A .