Maths Practice Question and Answer

Q:

कर्ण 16√2 सेमी वाले एक समकोण समद्विबाहु त्रिभुज का क्षेत्रफल है

735 0

  • 1

    144 cm2

    Correct
    Wrong
  • 2

    128 cm2

    Correct
    Wrong
  • 3

    112 cm2

    Correct
    Wrong
  • 4

    110 cm2

    Correct
    Wrong
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Answer : 2. "

128 cm2

"

Q:

यदि x = 222, y = 223 और z = 224 है, तो x3+y3+z3-3xyz का मान ज्ञात कीजिए।

735 0

  • 1
    2007
    Correct
    Wrong
  • 2
    2005
    Correct
    Wrong
  • 3
    2006
    Correct
    Wrong
  • 4
    2004
    Correct
    Wrong
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Answer : 1. "2007 "

Q:

यदि एक वर्ग ABCD के विकर्ण AC की लंबाई 5.2 सेमी है, तो वर्ग का क्षेत्रफल है?

735 0

  • 1
    15.12 वर्ग सेमी
    Correct
    Wrong
  • 2
    13.52 वर्ग सेमी
    Correct
    Wrong
  • 3
    12.62 वर्ग सेमी
    Correct
    Wrong
  • 4
    10.00 वर्ग सेमी
    Correct
    Wrong
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Answer : 2. "13.52 वर्ग सेमी"

Q:

यदि किसी वृत्त की त्रिज्या में 15% की वृद्धि की जाती है तो उसके क्षेत्रफल में _____ की वृद्धि होती है।

734 0

  • 1
    30 प्रतिशत
    Correct
    Wrong
  • 2
    32.25 प्रतिशत
    Correct
    Wrong
  • 3
    15 प्रतिशत
    Correct
    Wrong
  • 4
    16.125 प्रतिशत
    Correct
    Wrong
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Answer : 2. "32.25 प्रतिशत"

Q:

यदि p – 2q = 4, तो p3 – 8q3 – 24pq – 64 का मान है:

734 0

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

Q:

यदि √x + 1/√x = √6 है तो x² + 1/x² बराबर है :- 

733 0

  • 1
    18
    Correct
    Wrong
  • 2
    14
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 2. "14"

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