Square Roots Questions Practice Question and Answer

Q:

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

1198 0

  • 1
    5
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "10"

Q:

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

733 0

  • 1
    4
    Correct
    Wrong
  • 2
    $$ {2\over 3}$$
    Correct
    Wrong
  • 3
    $$ {4\over 3}$$
    Correct
    Wrong
  • 4
    $$ {1\over 3}$$
    Correct
    Wrong
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Answer : 2. "$$ {2\over 3}$$"

Q:

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

671 0

  • 1
    10
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "10"

Q:

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

790 0

  • 1
    6
    Correct
    Wrong
  • 2
    $$ {5\sqrt{2}}$$
    Correct
    Wrong
  • 3
    $$ {6\sqrt{2}}$$
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "$$ {6\sqrt{2}}$$"

Q:

$$ {\sqrt{4+\sqrt{44+\sqrt{10000}}}}$$ का मान होगा

1017 0

  • 1
    8
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 3. "4"

Q:

$$ {k+l+m+n+2\sqrt{ml+mk}+2\sqrt{mn}+2\sqrt{kn+ln}}$$ का वर्गमूल होगा—

880 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
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Answer : 1. "$${\sqrt{k+l}}+\sqrt{m+n}$$"

Q:

यदि $$ {3^{a+3}×4^{a+6}×25^{a+1}\over{27}^{a-1}×8^{a-2}×125^{a+4}}={4\over15^{26}}$$  है तो $$ {\sqrt{a+9}}$$. का मान होगा—

846 0

  • 1
    8
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 2. " 5"

Q:

7744 का वर्गमूल है:

1010 0

  • 1
    98
    Correct
    Wrong
  • 2
    92
    Correct
    Wrong
  • 3
    88
    Correct
    Wrong
  • 4
    82
    Correct
    Wrong
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Answer : 3. "88"

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