Square Roots and Cube Roots Practice Question and Answer

Q:

If $$ {\sqrt{4^{n}}=1024}$$, then the value of n is:

1187 0

  • 1
    5
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "10"

Q:

If $$ {9^{x}={9\over {3^{x}}}}$$ then find the value of x.

724 0

  • 1
    4
    Correct
    Wrong
  • 2
    $$ {2\over 3}$$
    Correct
    Wrong
  • 3
    $$ {4\over 3}$$
    Correct
    Wrong
  • 4
    $$ {1\over 3}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "$$ {2\over 3}$$"

Q:

If $$ {(x^{3})^{3} × x^{5}\over{x^{4}}}=x^{n}$$ then find the value of n.

662 0

  • 1
    10
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "10"

Q:

$$ {\sqrt{8\ {^{3}\sqrt{729}}}=?}$$

778 0

  • 1
    6
    Correct
    Wrong
  • 2
    $$ {5\sqrt{2}}$$
    Correct
    Wrong
  • 3
    $$ {6\sqrt{2}}$$
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "$$ {6\sqrt{2}}$$"

Q:

Find the value of $$ {\sqrt{4+\sqrt{44+\sqrt{10000}}}}$$.

1007 0

  • 1
    8
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "4"

Q:

Find the square root of  $$ {k+l+m+n+2\sqrt{ml+mk}+2\sqrt{mn}+2\sqrt{kn+ln}}$$

870 0

  • 1
    $${\sqrt{k+l}}+\sqrt{m+n}$$
    Correct
    Wrong
  • 2
    $${\sqrt{k+n}}+\sqrt{m-n}$$
    Correct
    Wrong
  • 3
    $${\sqrt{k+l}}+\sqrt{m}+\sqrt{n}$$
    Correct
    Wrong
  • 4
    $${\sqrt{k+m}}+\sqrt{l+n}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "$${\sqrt{k+l}}+\sqrt{m+n}$$"

Q:

If $$ {3^{a+3}×4^{a+6}×25^{a+1}\over{27}^{a-1}×8^{a-2}×125^{a+4}}={4\over15^{26}}$$ then the value of $$ {\sqrt{a+9}}$$.

832 0

  • 1
    8
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. " 5"

Q:

The square root of 7744 is :

1001 0

  • 1
    98
    Correct
    Wrong
  • 2
    92
    Correct
    Wrong
  • 3
    88
    Correct
    Wrong
  • 4
    82
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "88"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully