Search SchoolNGR

Friday, 03 April 2026
Register . Login

Mathematics Past Questions and Answers

Mathematics Questions

Question 641:
In one and a half hours, the minute hand of a clock rotates through an angle of
  • A 90o
  • B 180o
  • C 640o
  • D 450o
  • E 540o
View Answer & Explanation
Question 642:
Simplify \(\frac{\sqrt{2}}{\sqrt{3} - \sqrt{2}}\) - \(\frac{3 - 2}{\sqrt{3} + \sqrt{2}}\)
  • A 2\(\sqrt{2} - \sqrt{3}\)
  • B 3(\(\sqrt{6}\) - 1)
  • C \(\sqrt{6}\) - 3
  • D -\(\frac{1}{2}\)
  • E \(\frac{-\sqrt{3}}{\sqrt{2} - \sqrt{2}}\)
View Answer & Explanation
Question 643:
Solve \(\frac{1}{x + 1}\) - \(\frac{1}{x + 3}\) = \(\frac{1}{4}\)
  • A X = -1 or 3
  • B X = 1 or 3
  • C X = 1 or -5
  • D X = -1 or 5
  • E X = -1 or -3
View Answer & Explanation
Question 644:
In \(\bigtriangleup\)XYZ, XY = 3cm, XZ = 5cm and YZ = 7cm. If the bisector of XYZ meets XZ at W, what is the length of XW?
  • A 1.5cm
  • B 2.5cm
  • C 3cm
  • D 4cm
  • E None of the above
View Answer & Explanation
Question 645:
If \(\log_{2} y = 3 - \log_{2} x^{\frac{3}{2}}\), find y when x = 4.
  • A 8
  • B \(\sqrt{65}\)
  • C 4\(\sqrt{2}\)
  • D 3
  • E 1
View Answer & Explanation