Algebra Practice Question and Answer

Q:

यदिx  = 2  है तो का $$ x^3 + 27x^2 + 243x + 631$$ मान है।

1672 0

  • 1
    1211
    Correct
    Wrong
  • 2
    1231
    Correct
    Wrong
  • 3
    1233
    Correct
    Wrong
  • 4
    1321
    Correct
    Wrong
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Answer : 3. "1233"

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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?

1649 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:

a और b का मान ज्ञात करे यदि (x-1) और (x+1), x4+ax3-3x2+2x+b के गुणनखंड हैं ।

1647 0

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

Q:

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

1625 0

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

Q:

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

1602 0

  • 1
    27
    Correct
    Wrong
  • 2
    64
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 1. "27"

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 ? 

1600 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 x+y=10  और xy=4 है ,तो x4+y4 का मान क्या है?

1599 0

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

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