Maths Practice Question and Answer

Q:

$$ [(^5\sqrt{x^{-3\over 5}}\ )^{-5\over3}]^{-5}$$ को सरल करें

1130 0

  • 1
    $$ {x^{5}}$$
    Correct
    Wrong
  • 2
    $$ {x^{-5}}$$
    Correct
    Wrong
  • 3
    x
    Correct
    Wrong
  • 4
    $$ {1\over x}$$
    Correct
    Wrong
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Answer : 4. "$$ {1\over x}$$"

Q:

निर्देश: निम्नलिखित संख्या श्रृंखला में गलत संख्या ज्ञात कीजिए:

4, 5.1, 7.3, 10.6, 15, 20, 27.1

1128 0

  • 1
    5.1
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    7.3
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
  • 5
    27.1
    Correct
    Wrong
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Answer : 4. "20"

Q:

यदि p = 124, $$3\sqrt{p(p^2-3p+3)-1}=?$$

1128 0

  • 1
    5
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    123
    Correct
    Wrong
  • 4
    125
    Correct
    Wrong
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Answer : 4. "125"

Q:

एक पंखे की लिस्ट ₹150 पर है और 20% की छूट दी जाती है। तो विक्रय मूल्य है

1128 0

  • 1
    ₹ 120
    Correct
    Wrong
  • 2
    ₹ 110
    Correct
    Wrong
  • 3
    ₹ 180
    Correct
    Wrong
  • 4
    ₹ 150
    Correct
    Wrong
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Answer : 1. "₹ 120 "
Explanation :

Q:

यदि $${secA={5\over 4}}$$ है, तो $${{tanA}\over 1+tan^2A}-{sinA\over secA}$$ का मान क्या है?

1127 0

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

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