Volume and Surface Area Questions Practice Question and Answer

Q:

दो गोले A और B के आयतन का अनुपात 8: 1 है। B का पृष्ठीय क्षेत्रफल 616 वर्ग सेमी है। तो A की त्रिज्या ज्ञात कीजिए।

1249 0

  • 1
    14 सेमी
    Correct
    Wrong
  • 2
    16 सेमी
    Correct
    Wrong
  • 3
    10 सेमी
    Correct
    Wrong
  • 4
    12 सेमी
    Correct
    Wrong
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  • Workspace

Answer : 1. "14 सेमी "

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  • Workspace

Answer : 1. "$$ {20\over3}$$"

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  • Workspace

Answer : 2. "48"

Q:

यदि दो समरूप त्रिभुजों ABC और DEF के क्षेत्रफलों का अनुपात 36: 81 हो, और EF = 6.9 सेमी. है, तो BC बराबर है- 

1234 0

  • 1
    4.6 cm.
    Correct
    Wrong
  • 2
    6.4 cm.
    Correct
    Wrong
  • 3
    4 cm.
    Correct
    Wrong
  • 4
    6 cm.
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "4.6 cm. "

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  • Workspace

Answer : 2. "80 π"

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  • Workspace

Answer : 1. "480 π"

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  • Workspace

Answer : 1. "1496"

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