Maths Practice Question and Answer

Q:

$${cosec^2} 18┬░ -{1\over cot^272┬░}$$.┬ардХрд╛ рдорд╛рди рд╣реИ|

2013 0

  • 1
    $${1 \over \sqrt { 3}}$$
    Correct
    Wrong
  • 2
    $$ \sqrt2\over {3 } $$
    Correct
    Wrong
  • 3
    $${1\over2} $$
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"

Q:

a┬ардФрд░┬аb рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗ рдпрджрд┐┬а(x-1) рдФрд░┬а(x+1), x4+ax3-3x2+2x+b рдХреЗ рдЧреБрдгрдирдЦрдВрдб рд╣реИрдВ ред

2012 0

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

Q:

рдпрджрд┐┬аa\b + b\a =1,┬арддреЛ┬аa3+b3┬ардХрд┐рддрдирд╛ рд╣реЛрдЧрд╛┬а?

2011 0

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

Q:

рдХреЗрдиреНрджреНрд░┬аD┬ард╡рд╛рд▓реЗ рдПрдХ рд╡реГрддреНрдд рдореЗрдВ┬аABCD is┬ардЖрдпрдд рдмрдирд╛рдпрд╛ рдЧрдпрд╛ рд╣реИред рдпрджрд┐┬аAE=6 cm┬ардФрд░┬аAD=9 cm┬ард╣реИ рддреЛ рдЖрдпрдд рдХрд╛ рдкрд░рд┐рдорд╛рдк рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдП?

2010 0

  • 1
    42 рд╕реЗрдореА
    Correct
    Wrong
  • 2
    45 рд╕реЗрдореА
    Correct
    Wrong
  • 3
    48 рд╕реЗрдореА
    Correct
    Wrong
  • 4
    рдЗрдирдореЗрдВ рд╕реЗ рдХреЛрдИ рдирд╣реАрдВ
    Correct
    Wrong
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Answer : 1. "42 рд╕реЗрдореА"

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