Algebra Question with answer Practice Question and Answer

Q:

यदि a3b = abc = 180, है और a, b, c धनात्मक पूर्णांक है तो c का मान ज्ञात करे।

1150 0

  • 1
    4
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    110
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"

Q:

यदि दो वास्तविक अचरो a और b की लिए व्यंजक ax3+3x2-8x+b, (x+2) और (x-2) से पूर्णत: विभाजित है, तो

1226 0

  • 1
    a = 2, b = -12
    Correct
    Wrong
  • 2
    a = -2, b = 12
    Correct
    Wrong
  • 3
    a = 2, b = 12
    Correct
    Wrong
  • 4
    a = 12, b = 12
    Correct
    Wrong
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Answer : 1. "a = 2, b = -12"

Q:

यदि x = b+c -2a, y=c+a-2b, z=a+b-2c है, तो x2+y2-z2+2xy का मान क्या होगा ?

949 0

  • 1
    a-b+c
    Correct
    Wrong
  • 2
    a+b-c
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    a+b+c
    Correct
    Wrong
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Answer : 3. "0"

Q:

यदि x2+y2-4x-4y+8=0 है तो x-y का मान क्या होगा ?

866 0

  • 1
    0
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    -4
    Correct
    Wrong
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Answer : 1. "0"

Q:

यदि $$p×q=p+q+{p\over q}$$, है तो 8 × 2  का मान क्या होगा ?

720 0

  • 1
    14
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 1. "14 "

Q:

यदि a ≠ b है, तो निम्न मे से कोनसा कथन सत्य है ?

621 0

  • 1
    $${a+b\over 2}= \sqrt{ab} $$
    Correct
    Wrong
  • 2
    $${a+b\over 2}> \sqrt{ab} $$
    Correct
    Wrong
  • 3
    $${a+b\over 2}< \sqrt{ab} $$
    Correct
    Wrong
  • 4
    उपरोक्त सभी
    Correct
    Wrong
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Answer : 2. "$${a+b\over 2}> \sqrt{ab} $$"

Q:

यदि $$n+{2\over 3}n+{1\over2}n+{1\over7}n=97$$ है, तो n का मान ज्ञात करे ?

551 0

  • 1
    44
    Correct
    Wrong
  • 2
    46
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    42
    Correct
    Wrong
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Answer : 4. "42 "

Q:

यदि 5√x + 12√x = 13√x है तो x किसके बराबर है ?

766 0

  • 1
    9
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    $${25\over4}$$
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 4. "4"

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