Maths Practice Question and Answer

Q:

n का मान ज्ञात कीजिये जब $$ {n=\sqrt{n+ 2 \sqrt{n+2\sqrt{n+2\sqrt{3n}}}}}$$

1609 0

  • 1
    1
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 2. "3"

Q:

यदि A, B से  $$ {33{1\over 3} \%}$$ अधिक अर्जित करता है, तो B, A से कितने प्रतिशत कम अर्जित करता है?

1609 0

  • 1
    20%
    Correct
    Wrong
  • 2
    12.5%
    Correct
    Wrong
  • 3
    25%
    Correct
    Wrong
  • 4
    37.5%
    Correct
    Wrong
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Answer : 3. "25%"

Q:

पांसे को एक बार फेंकने पर, 3 से बड़ी संख्या प्राप्त होने की क्या प्रायिकता है?

1609 0

  • 1
    $${1\over4}$$
    Correct
    Wrong
  • 2
    $${2\over3}$$
    Correct
    Wrong
  • 3
    $${3\over2}$$
    Correct
    Wrong
  • 4
    $${1\over2}$$
    Correct
    Wrong
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Answer : 4. "$${1\over2}$$"

Q:

रितेश ने 20% के लाभ के साथ 36 रुपये में एक पेन बेचा। यदि इसे 33 रुपये में बेचा जाता है, तो लाभ या हानि का प्रतिशत क्या होगा?

1609 0

  • 1
    10% लाभ
    Correct
    Wrong
  • 2
    15% लाभ
    Correct
    Wrong
  • 3
    12% हानि
    Correct
    Wrong
  • 4
    18% हानि
    Correct
    Wrong
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Answer : 1. "10% लाभ"

Q:

निर्देश: निम्नलिखित प्रश्न में प्रश्न (?) के स्थान पर क्या आना चाहिए?

√(?) + 152 = 235

1609 0

  • 1
    10
    Correct
    Wrong
  • 2
    121
    Correct
    Wrong
  • 3
    144
    Correct
    Wrong
  • 4
    100
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "121"

Q:

यदि $$ {1+sinθ\over {1-sinθ}}={p^{2}\over{q^{2}}}$$,  है तो sec θ का मान होगा।

1608 0

  • 1
    $$ {2p^{2}{q^{2}}\over {p^{2}+{q^{2}}}}$$
    Correct
    Wrong
  • 2
    $${1\over 2}\left({q\over p}+{p\over q} \right)$$
    Correct
    Wrong
  • 3
    $$ {1\over {p^{2}}}+{1\over {q^{2}}}$$
    Correct
    Wrong
  • 4
    $$ {p^{2}q^{2}}\over{p^{2}+q^{2}}$$
    Correct
    Wrong
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Answer : 2. "$${1\over 2}\left({q\over p}+{p\over q} \right)$$"

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