Simplification Questions Practice Question and Answer

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Answer : 4. "620"

Q:

$$ ^{3}\sqrt{-2197} × ^{3}\sqrt{{-125}} \ ÷ ^{3}\sqrt{27\over512}$$ सरल कीजिये।

792 0

  • 1
    $$ {520\over 3}$$
    Correct
    Wrong
  • 2
    $$ {520\over 13}$$
    Correct
    Wrong
  • 3
    $$ {540\over 3}$$
    Correct
    Wrong
  • 4
    $$ {520\over 13}$$
    Correct
    Wrong
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Answer : 1. "$$ {520\over 3}$$"

Q:

यदि $${4x^2={15^2-9^2}}$$ है तो xका मान ज्ञात करों?

1055 0

  • 1
    9
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 3. "6"

Q:

यदि $$ a={{\sqrt{3}+\sqrt{2}}\over {\sqrt{3}-\sqrt{2}}}$$  और $$ b={{\sqrt{3}-\sqrt{2}}\over {\sqrt{3}+\sqrt{2}}}$$,  है तो $$ {a^2\over b}+{b^2\over a}=?$$

789 0

  • 1
    970
    Correct
    Wrong
  • 2
    960
    Correct
    Wrong
  • 3
    950
    Correct
    Wrong
  • 4
    940
    Correct
    Wrong
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Answer : 1. "970"

Q:

यदि $${a+b=10}$$  तथा $$ \sqrt{a\over b}-13=-\sqrt{b\over a}-11$$,  हैं, तो $${3ab+4a^2+5b^2}$$ का मान क्या है?

769 0

  • 1
    300
    Correct
    Wrong
  • 2
    600
    Correct
    Wrong
  • 3
    750
    Correct
    Wrong
  • 4
    450
    Correct
    Wrong
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Answer : 1. "300"

Q:

यदि $$ {3\sqrt{{1-a}\over{a}}}+9={19-3\sqrt{{a}\over{1-a}}}$$ है,तो a का मान क्या है?

888 0

  • 1
    $${3\over10},{7\over10}$$
    Correct
    Wrong
  • 2
    $${1\over10},{9\over10}$$
    Correct
    Wrong
  • 3
    $${2\over5},{3\over5}$$
    Correct
    Wrong
  • 4
    $${1\over5},{4\over5}$$
    Correct
    Wrong
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Answer : 2. "$${1\over10},{9\over10}$$"

Q:

4320 में किस न्यूनतम संख्या से गुणा किया जाए कि प्राप्त परिणाम एक पूर्ण घन हो? 

882 0

  • 1
    60
    Correct
    Wrong
  • 2
    80
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
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Answer : 4. "50 "

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