Algebra Practice Question and Answer

Q:

यदि a=34, b=c=33 है, तो a3+b3+c3-3abc का मान ज्ञात करे ।

1475 0

  • 1
    50
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    111
    Correct
    Wrong
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Answer : 2. "100"

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Answer : 2. "76"

Q:

100.48 = x, 100.70 = y और x2 = y2 दिया गया है, तो z किसके निकटतम है?

1464 0

  • 1
    1.45
    Correct
    Wrong
  • 2
    1.88
    Correct
    Wrong
  • 3
    2.9
    Correct
    Wrong
  • 4
    3.7
    Correct
    Wrong
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Answer : 3. "2.9"

Q:

सरलीकरण किजिए

1453 0

  • 1
    3/2
    Correct
    Wrong
  • 2
    5/2
    Correct
    Wrong
  • 3
    7/2
    Correct
    Wrong
  • 4
    11/2
    Correct
    Wrong
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Answer : 3. "7/2"

Q:

यदि x+y=10  और xy=4 है ,तो x4+y4 का मान क्या है?

1418 0

  • 1
    8432
    Correct
    Wrong
  • 2
    8464
    Correct
    Wrong
  • 3
    7478
    Correct
    Wrong
  • 4
    6218
    Correct
    Wrong
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Answer : 1. "8432"

Q:

यदि x4+2x3+ax2+bx+9 एक पूर्ण वर्ग है जहाँ a तथा b धनात्मक वास्तविक संख्या है तो a और b का मान क्या होगा ? 

1402 0

  • 1
    a = 5, b = 6
    Correct
    Wrong
  • 2
    a = 6, b = 7
    Correct
    Wrong
  • 3
    a = 7, b = 7
    Correct
    Wrong
  • 4
    a = 7, b = 8
    Correct
    Wrong
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Answer : 2. "a = 6, b = 7"

Q:

यदि a-6b = 3  है, तो a3-216b3-54ab का मान होगा ?

1401 0

  • 1
    27
    Correct
    Wrong
  • 2
    64
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 1. "27"

Q:

यदि x - y = 3 हो तो x- y3-9xy का मान क्या होगा ?  

1400 0

  • 1
    18
    Correct
    Wrong
  • 2
    27
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 2. "27 "

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