Search SchoolNGR

Thursday, 02 April 2026
Register . Login

Mathematics Past Questions and Answers

Mathematics Questions

Question 721:
Given a regular hexagon, calculate each interior angle of the hexagon
  • A 60o
  • B 30o
  • C 120o
  • D 45o
  • E 135o
View Answer & Explanation
Question 722:
If x is jointly proportional to the cube of y and the fourth power of z. In what ratio is x increased or decreased when y is halved and z is doubled?
  • A 4:1 increase
  • B 2:1 increase
  • C 1:1 no change
  • D 1:4 decrease
  • E 3:4 decrease
View Answer & Explanation
Question 723:
Solve the following equations 4x - 3 = 3x + y = x - y = 3, 3x + y = 2y + 5x - 12
  • A X = 5, y = 2
  • B X = 2, y = 5
  • C X = 5, y = -2
  • D X = -2, y = -5
  • E X = -5, y = -2
View Answer & Explanation
Question 724:
In a figure, PQR = 60o, PRS = 90o, RPS = 45o, QR = 8cm. Determine PS
  • A 2\(\sqrt{3}\)cm
  • B 4\(\sqrt{6}\)cm
  • C 2\(\sqrt{6}\)cm
  • D 8\(\sqrt{6}\)cm
  • E 8cm
View Answer & Explanation
Question 725:
Given that cos z = L , whrere z is an acute angle, find an expression for \(\frac{\cot z - \csc z}{\sec z + \tan z}\)
  • A \(\frac{1 - L}{1 + L}\)
  • B \(\frac{L^2 \sqrt{3}}{1 + L}\)
  • C \(\frac{1 + L^3}{L^2}\)
  • D \(\frac{L(L - 1)}{1 - L + 1 \sqrt{1 - L^2}}\)
View Answer & Explanation