Maths Practice Question and Answer

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Answer : 4. "4"

Q:

20 संख्याओं का औसत 32 है। यदि दो संख्याएँ 29 और 31 हैं, तो शेष संख्याओं का औसत (दो दशमलव तक सही) क्या है?

2374 0

  • 1
    31.24
    Correct
    Wrong
  • 2
    30.22
    Correct
    Wrong
  • 3
    34.44
    Correct
    Wrong
  • 4
    32.22
    Correct
    Wrong
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Answer : 4. "32.22"

Q:

11 संख्या का औसत 30 है। यदि पहली 10 संख्याओं का औसत 22 है, तो 11 वीं संख्या ज्ञात कीजिए?

2373 0

  • 1
    215
    Correct
    Wrong
  • 2
    110
    Correct
    Wrong
  • 3
    105
    Correct
    Wrong
  • 4
    90
    Correct
    Wrong
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Answer : 2. "110"

Q:

यदि 2sin2θ–5sinθcosθ+7cos2θ=1 है तो tanθ का सम्भावित मान है।

2370 0

  • 1
    2, 5
    Correct
    Wrong
  • 2
    1, 3
    Correct
    Wrong
  • 3
    2, $$ {5\over2}$$
    Correct
    Wrong
  • 4
    2, 3
    Correct
    Wrong
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Answer : 4. "2, 3"

Q:

निर्देश: निम्नलिखित संख्या श्रृंखला में प्रश्नवाचक चिन्ह (?) के स्थान पर क्या आएगा?

16, ?, 8, 12, 24, 60

2367 0

  • 1
    8
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
  • 5
    4
    Correct
    Wrong
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Answer : 1. "8"

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