Simplification Practice Question and Answer

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Answer : 4. "7"

Q:

यदि 3x2 = 36  है तो x का मान क्या होगा?

896 0

  • 1
    $$ {2\sqrt{3}}$$
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    $$ -{2\sqrt{3}}$$
    Correct
    Wrong
  • 4
    $$ {2\sqrt{3}}$$ or $$ -{2\sqrt{3}}$$
    Correct
    Wrong
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Answer : 4. "$$ {2\sqrt{3}}$$ or $$ -{2\sqrt{3}}$$"

Q:

यदि 7 × 7 of 3 ÷ 3 -14 × P=7 है तो P का मान क्या होगा ?

1213 0

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

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Answer : 4. "620"

Q:

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

796 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?

1063 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 $$ {a^2\over b}+{b^2\over a}=?$$

797 0

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

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