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 1381: In Δ ABC, A = 60°, C = 90° and AC = 12m. Find the Length of the hypotenuse. Options:
  A) 24m
  B) 14m
  C) 12m
  D) 7m
  E) 6m
  Show Answer
  The correct answer is A .
• Question 1382: P varies jointly as m and u, and varies inversely as q. Given that p = 4, m = 3 and u = 2 and q = 1, find the value of p when m = 6, u = 4 and q =$\frac{8}{5}$ Options:
  A) 12$\frac{8}{5}$
  B) 15
  C) 10
  D) 28$\frac{8}{5}$
  Show Answer
  The correct answer is C .
• Question 1383: Triangle OPQ above is the solution of the inequalities Options:
  A) x + 1 ≥ 0, y + x ≤ 0, y - x ≥ 0
  B) y + x ≤ 0, y - x ≥ 0, x -1 ≥ 0
  C) x - 1 ≤ 0, y - x ≥ o, y + x ≥ 0
  D) x - 1 ≤ 0, y + x ≤ 0, y - x ≤ 0
  Show Answer
  The correct answer is A .
• Question 1384: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 1385: If s = (2 + 3t)(5t - 4), find $\frac{dy}{dx}$ when t = $\frac{4}{5}$ sec Options:
  A) 0 units per sec.
  B) 15 units per seconds
  C) 22 units per seconds
  D) 26 units per seconds
  Show Answer
  The correct answer is C .
• Question 1386:

  

  In the figure, PQRS is a rectangle. If the shaded area is 72 sq. cm, find h.

  Options:
  A) 12cm
  B) 10cm
  C) 8cm
  D) 5cm
  Show Answer
  The correct answer is D .
• Question 1387:

  

  In the figure, GHIJKLMN is a cube of side a. Find the length of HN.

  Options:
  A) $\sqrt{3a}$
  B) 3a
  C) 3a²
  D) a$\sqrt{2}$
  E) a$\sqrt{3}$
  Show Answer
  The correct answer is E .
• Question 1388: The number 25 when when converted from the tens and units base to the binary base (base two) is one of the following Options:
  A) 10011
  B) 111011
  C) 111000
  D) 11001
  E) 110011
  Show Answer
  The correct answer is D .
• Question 1389: Simplify $\sqrt{48}$ - $\frac{9}{\sqrt{3}}$ + $\sqrt{75}$ Options:
  A) 5√3
  B) 6√3
  C) 8√3
  D) 18√3
  Show Answer
  The correct answer is B .
• Question 1390: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .