Maths Practice Question and Answer

Q:

рдпрджрд┐┬а$${cos^2╬╕\over cot^2╬╕-cos^2╬╕}=3,$$ рдЬрд╣рд╛рдВ┬а$${0^0<╬╕<90^0}$$ рддреЛ ╬╕ рдХрд╛ рдорд╛рди рд╣реИ:

426 0

  • 1
    $${{45^0}}$$
    Correct
    Wrong
  • 2
    $${{50^0}}$$
    Correct
    Wrong
  • 3
    $${{60^0}}$$
    Correct
    Wrong
  • 4
    $${{50^0}}$$
    Correct
    Wrong
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Answer : 3. "$${{60^0}}$$"

Q:

$${2}=x+{1\over{1+{1\over5+{1\over{2}}}}}$$ рддреЛ x рдХрд╛ рдорд╛рди рдмрд░рд╛рдмрд░ рд╣реИ:

374 0

  • 1
    $${13\over14}$$
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    $${13\over15}$$
    Correct
    Wrong
  • 4
    $${15\over13}$$
    Correct
    Wrong
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Answer : 4. "$${15\over13}$$"

Q:

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдХрд╛ рдореВрд▓реНрдпрд╛рдВрдХрди рдХрд░реЗрдВ:
5 - [96 ├╖ 4 рдореЗрдВ рд╕реЗ 3 - (16 - 55 ├╖ 5)]

363 0

  • 1
    0
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 4. "2"

Q:

┬аIf $${1\over 4.263}=0.2346$$, find the value of $${1\over0.0004263}.$$

344 0

  • 1
    2346
    Correct
    Wrong
  • 2
    4.263
    Correct
    Wrong
  • 3
    2.346
    Correct
    Wrong
  • 4
    4263
    Correct
    Wrong
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Answer : 1. "2346"

Q:

$$5-{8+2\sqrt{15} \over4}-{{1}\over8+2\sqrt{15}}$$ рдХрд╛ рдорд╛рди рдмрд░рд╛рдмрд░ рд╣реИ:

409 0

  • 1
    $${1\over4}$$
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    $${3\over3}$$
    Correct
    Wrong
  • 4
    $${1\over2}$$
    Correct
    Wrong
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Answer : 2. "1"

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