Simplification Practice Question and Answer

Q:

सरल करें $$ {(7) ^{2} ÷(7^{1\over 2})^{4}}$$

761 0

  • 1
    $$ {1\over 14}$$
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    14
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 2. "1"

Q:

यदि (a + b):(b + c):(c + a) = 7:6:5 और a + b + c = 27, तो 1/a: 1/b :1/c का मान क्या होगा?

994 0

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

Q:

सरल कीजिए $$ {(2x)^{2}-(2y)^{2}-(4x)^{2}}$$

782 0

  • 1
    $$ {(12x^{2}-4y^{2})}$$
    Correct
    Wrong
  • 2
    $$ {(12x^{2}+4y^{2})}$$
    Correct
    Wrong
  • 3
    $$ {-12x^{2}+4y^{2}}$$
    Correct
    Wrong
  • 4
    $$ {-12x^{2}-4y^{2}}$$
    Correct
    Wrong
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Answer : 4. "$$ {-12x^{2}-4y^{2}}$$"

Q:

$$ {0.55 × 4.5\over 0.81}$$ का मान क्या है?

675 0

  • 1
    $$ {55\over 18}$$
    Correct
    Wrong
  • 2
    3.05
    Correct
    Wrong
  • 3
    $$ {55\over 81}$$
    Correct
    Wrong
  • 4
    3.555
    Correct
    Wrong
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Answer : 1. "$$ {55\over 18}$$"

Q:

यदि $$ {\sqrt{1+{473\over{256}}}=1+{x\over 16}}$$  है तो x बराबर है—

993 0

  • 1
    11
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    13
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 1. "11"

Q:

निम्नलिखित समीकरण को सरल कीजिए।
$$ {\sqrt{(1-sin^{2}θ) ÷{(1-cos^{2}θ)}}}$$

764 0

  • 1
    tan θ
    Correct
    Wrong
  • 2
    cot θ
    Correct
    Wrong
  • 3
    sec θ
    Correct
    Wrong
  • 4
    cosec θ
    Correct
    Wrong
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Answer : 2. "cot θ"

Q:

$$ {4\over 5}×[{1\over 2}\ of\ 25]+12÷{3\over 4}-32=?$$

1047 0

  • 1
    8
    Correct
    Wrong
  • 2
    –2
    Correct
    Wrong
  • 3
    –6
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "–6"

Q:

$$ {\sqrt{6-\sqrt{17-2\sqrt{72}}}}$$ का निकटतम मान है।

793 0

  • 1
    2.1
    Correct
    Wrong
  • 2
    2.7
    Correct
    Wrong
  • 3
    2.4
    Correct
    Wrong
  • 4
    1.8
    Correct
    Wrong
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Answer : 3. "2.4"

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