Maths Practice Question and Answer

Q:

рдпрджрд┐┬аtanx = cot(50+3x),┬арддреЛ┬аx┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

1147 0

  • 1
    11
    Correct
    Wrong
  • 2
    14
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "10"

Q:

рдпрджрд┐┬а$$ {\sqrt{1+{473\over{256}}}=1+{x\over 16}}$$┬а┬ард╣реИ рддреЛ┬аx┬ардмрд░рд╛рдмрд░ рд╣реИтАФ

1472 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:

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

1702 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 $$ {x+{9\over x}=6}$$ ┬аthen find the value of $$ {x^{2}+{1\over x^{3}}}$$

1154 0

  • 1
    $$ {12{1\over 27}}$$
    Correct
    Wrong
  • 2
    $$ {9{1\over 27}}$$
    Correct
    Wrong
  • 3
    $$ {8{1\over 27}}$$
    Correct
    Wrong
  • 4
    $$ {10{1\over 27}}$$
    Correct
    Wrong
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Answer : 2. "$$ {9{1\over 27}}$$"

Q:

рдпрджрд┐┬а$$ {tan\ ╬╕={a\over b}}$$ ┬ард╣реИ рддреЛ┬а$$ {a\sin╬╕+b\cos╬╕\over{a\sin╬╕-b\cos╬╕}}$$ ┬а┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛тАФ

1181 0

  • 1
    $$ {a\over {a^{2}+b^{2}}}$$
    Correct
    Wrong
  • 2
    $$ {b\over {a^{2}+b^{2}}}$$
    Correct
    Wrong
  • 3
    $$ {a^{2}-b^{2}\over {a^{2}+b^{2}}}$$
    Correct
    Wrong
  • 4
    $$ {a^{2}+b^{2}\over {a^{2}-b^{2}}}$$
    Correct
    Wrong
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Answer : 4. "$$ {a^{2}+b^{2}\over {a^{2}-b^{2}}}$$"

Q:

Sin (45 +┬а╬╕) тАУ Cos (45 тАУ┬а╬╕)┬ардХрд╛ рдорд╛рди рд╣реИтАФ

1135 1

  • 1
    2 Sin ╬╕
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    2 Cos╬╕
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
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Answer : 4. "0"

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