Maths Practice Question and Answer

Q:

यदि 9x2 + y2 = 37 और xy = 2, x, y>0, तो (27x3+ y3) का मान है:

377 0

  • 1
    301
    Correct
    Wrong
  • 2
    217
    Correct
    Wrong
  • 3
    207
    Correct
    Wrong
  • 4
    259
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "217"

  • Show AnswerHide Answer
  • Workspace

Answer : 4. "103°"

  • Show AnswerHide Answer
  • Workspace

Answer : 1. "₹350"

Q:

यदि $${secθ={a\over b},b≠0,}$$ तो  

 $${{1-tan^2θ}\over 2-sin^2θ}=?$$  

351 0

  • 1
    $${b^2(2b^2-a^2)}\over {a^2(a^2+b^2)}$$
    Correct
    Wrong
  • 2
    $${a^2(2b^2-a^2)}\over {b^2(a^2+b^2)}$$
    Correct
    Wrong
  • 3
    $${a^2(2b^2+a^2)}\over {b^2(a^2+b^2)}$$
    Correct
    Wrong
  • 4
    $${a^2(2b^2+a^2)}\over {b^2(a^2-b^2)}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "$${a^2(2b^2-a^2)}\over {b^2(a^2+b^2)}$$"

Q:

यदि  (10 a3+4b3):(11a3-15b3)=7:5, तो (3a+5b):(9a-2b)=?

366 0

  • 1
    10:13
    Correct
    Wrong
  • 2
    8:7
    Correct
    Wrong
  • 3
    5:4
    Correct
    Wrong
  • 4
    3:2
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "10:13"

Q:

$$\left({1\over cosecθ}-{1\over sinθ} \right)+{1\over {cosecθ-cotθ}} -{1\over secθ+tanθ} =?$$

420 0

  • 1
    sinθcosθ
    Correct
    Wrong
  • 2
    sinθtanθ
    Correct
    Wrong
  • 3
    secθcosecθ
    Correct
    Wrong
  • 4
    cosecθcotθ
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "secθcosecθ"

Q:

एक घनाकार टैंक के तीन आसन्न सतहों का क्षेत्रफल 3 m2, 12 m2 और 16 mहै। टैंक की क्षमता, लीटर में है:

371 0

  • 1
    36000
    Correct
    Wrong
  • 2
    72000
    Correct
    Wrong
  • 3
    24000
    Correct
    Wrong
  • 4
    48000
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "24000"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully