Maths Practice Question and Answer

Q:

निम्नलिखित में से कौन सी संख्या एक अभाज्य संख्या नहीं है?

843 0

  • 1
    347
    Correct
    Wrong
  • 2
    461
    Correct
    Wrong
  • 3
    731
    Correct
    Wrong
  • 4
    227
    Correct
    Wrong
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Answer : 3. "731"

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Answer : 2. "14"

Q:

एक समबाहु त्रिभुज की प्रत्येक भुजा 6 सेमी है। इसका क्षेत्रफल ज्ञात कीजिये.

843 0

  • 1
    9 √3 वर्ग सेमी.
    Correct
    Wrong
  • 2
    6 √3 वर्ग सेमी .
    Correct
    Wrong
  • 3
    4√3 वर्ग सेमी.
    Correct
    Wrong
  • 4
    8 √3 वर्ग सेमी.
    Correct
    Wrong
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Answer : 3. "4√3 वर्ग सेमी."

Q:

$$ {2\over 5},{3\over 10},{4\over 15}$$ लघुत्तम समापर्वतक क्या है—

843 0

  • 1
    $$ {12\over 15}$$
    Correct
    Wrong
  • 2
    $$ {1\over 30}$$
    Correct
    Wrong
  • 3
    $$ {12\over 5}$$
    Correct
    Wrong
  • 4
    इनमें से कोई नहीं
    Correct
    Wrong
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Answer : 3. "$$ {12\over 5}$$"

Q:

निम्नलिखित द्विघात समीकरणों में से किसके वास्तविक मूल हैं?

842 0

  • 1
    4x- 7x + 5 = 0
    Correct
    Wrong
  • 2
    5x2 - 11x + 7 = 0
    Correct
    Wrong
  • 3
    5x2 - 11x + 8 = 0
    Correct
    Wrong
  • 4
    2x2 - 7x + 5 = 0
    Correct
    Wrong
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Answer : 4. "2x2 - 7x + 5 = 0"

Q:

What percent of 3.6kg is 72 gms ?

842 0

  • 1
    32%
    Correct
    Wrong
  • 2
    22%
    Correct
    Wrong
  • 3
    12%
    Correct
    Wrong
  • 4
    2%
    Correct
    Wrong
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Answer : 4. "2%"
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