Square Roots and Cube Roots Practice Question and Answer

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

Q:

7744 का वर्गमूल है:

1001 0

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

Q:

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

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

Q:

$$ {\sqrt{625}+\sqrt{484}}$$ का मान क्या होगा?

802 1

  • 1
    47
    Correct
    Wrong
  • 2
    56
    Correct
    Wrong
  • 3
    52
    Correct
    Wrong
  • 4
    36
    Correct
    Wrong
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Answer : 1. "47"

Q: 18 H on GC?


 $$6 {4\over 9}$$ % ..???kkk

1659 0

  • 1
    ss
    Correct
    Wrong
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Answer : 1. "ss"
Explanation :

The given letters equation states that 18 H on a GC means 18 Holes on a Golf Course.

Q:

$$ \sqrt { 2^4} \ + \ ^{3}\sqrt {64} \  + \ ^4\sqrt { 2^8} \    $$ का मान क्या है?

1264 0

  • 1
    12
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 1. "12"

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—

832 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:

$$ {^3\sqrt{\sqrt{0.000729}}}+^3{\sqrt{0.008}}$$ का मान होगा—

745 0

  • 1
    0.1
    Correct
    Wrong
  • 2
    0.5
    Correct
    Wrong
  • 3
    0.06
    Correct
    Wrong
  • 4
    0.8
    Correct
    Wrong
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Answer : 2. "0.5"

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