Volume and Surface Area Questions Practice Question and Answer

Q:

एक वृत्त की परिमिति एक वर्ग परिमिति के बराबर है . इनके क्षेत्रफलों का अनुपात क्या होगा ? 

706 0

  • 1
    4 : 1
    Correct
    Wrong
  • 2
    11 : 7
    Correct
    Wrong
  • 3
    14:11
    Correct
    Wrong
  • 4
    11:14
    Correct
    Wrong
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Answer : 3. "14:11"

Q:

यदि किसी वृत्त की परिधि 4.4 मीटर है, तो वृत्त का क्षेत्रफल (m2 में) है:

2648 0

  • 1
    49/π
    Correct
    Wrong
  • 2
    49π
    Correct
    Wrong
  • 3
    4.9π
    Correct
    Wrong
  • 4
    इनमें से कोई नहीं
    Correct
    Wrong
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Answer : 4. "इनमें से कोई नहीं"

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Answer : 2. "25.6 सेमी "

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Answer : 2. "80 π"

Q:

एक घन जिसकी भुजा 7.5 सेमी है, तो उसका आयतन कितना होगा?

1415 0

  • 1
    $$ {421.875\ cm^{3}}$$
    Correct
    Wrong
  • 2
    $$ {759.375\ cm^{3}}$$
    Correct
    Wrong
  • 3
    $$ {631.810\ cm^{3}}$$
    Correct
    Wrong
  • 4
    $$ {210.94\ cm^{3}}$$
    Correct
    Wrong
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Answer : 1. "$$ {421.875\ cm^{3}}$$ "

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Answer : 3. "4: 27:2"

Q:

नीचे दिए गए चित्र में AD,∠BAC का समद्विभाजक है। यदि ΔABD का क्षेत्रफल 40 वर्ग सेमी और AC = 3AB है तो ΔABC का क्षेत्रफल ज्ञात कीजिये?

879 0

  • 1
    $$ {150 \ cm^{2}}$$
    Correct
    Wrong
  • 2
    $$ {100 \ cm^{2}}$$
    Correct
    Wrong
  • 3
    $$ {120 \ cm^{2}}$$
    Correct
    Wrong
  • 4
    $$ {160 \ cm^{2}}$$
    Correct
    Wrong
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Answer : 3. "$$ {120 \ cm^{2}}$$"

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Answer : 3. "24"

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