CBSE  /  Class 9  /  Maths  /  Number Systems
  • 1. 
    The value of \(\sqrt[4]{\sqrt[3]{2^{2}}}\) is equal to

  • 2-\(\frac{1}{6}\)
  • 2-6
  • 2\(\frac{1}{6}\)
  • 26
  • 2. 
    Find the value of \(\sqrt[3]{\frac{54}{250}}\)

  • \(\frac{9}{25}\)
  • \(\frac{3}{5}\)
  • \(\frac{27}{125}\)
  • \(\frac{\sqrt[3]2}{5}\)
  • 3. 
    Simplified value of (16)-\(\frac{1}{4}\) × \(\sqrt[4]{16}\) is

  • 16
  • 4
  • 1
  • 0
  • 4. 
    Find the value of \(\sqrt[4]{64^{-2}}\).

  • \(\frac{1}{8}\)
  • \(\frac{1}{2}\)
  • 8
  • \(\frac{1}{64}\)
  • 5. 
    Find the value of \(\sqrt[3]{216}\) - \(\sqrt[3]{125}\)

  • 1
  • -1
  • \(\sqrt[3]{91}\)
  • \(\frac{6}{5}\)
  • 6. 
    When 15\(\sqrt{15}\) is divided by 3√3 find the quotient.

  • 5√3
  • 3√5
  • 5√5
  • 3√3
  • 7. 
    If √3 = 1.732 and √2 = 1.414, find the value of \(\frac{1}{√3-√2}\)

  • 0.318
  • 3.146
  • \(\frac{1}{3.146}\)
  • \(\sqrt{1.732}\) - \(\sqrt{1.414}\)
  • 8. 
    Which of the following numbers is an irrational number?

  • \(\sqrt{16}\) - 4
  • (3 - √3) (3 + √3)
  • √5 + 3
  • -\(\sqrt{25}\)
  • 9. 
    The decimal expansion of √2 is

  • finite decimal
  • 1.4121
  • non-terminating recurring
  • non-terminating non-recurring
  • 10. 
    If x = \(\frac{√7}{5}\) and \(\frac{5}{x}\) = p√7, then the value of p is

  • \(\frac{5}{√7}\)
  • \(\frac{25}{7}\)
  • \(\frac{7}{25}\ )
  • \(\frac{√7}{5}\)
Report Question
warning
access_time
  Time