Algebra Practice Question and Answer

Q:

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

1283 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 $$\sqrt{a}+\sqrt{b}=15 $$ और $$ (\sqrt{a}-\sqrt{b} )= 3$$ तो $$\sqrt{ab/4} $$ का मान कितना होगा ?

767 0

  • 1
    $$27\over 2$$
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 1. "$$27\over 2$$"

Q:

x का न्यूनतम मान ज्ञात करें जो समीकरण x3-7x2+11x - 5 ≥ 0 को संतुष्ट करें ।

1334 0

  • 1
    1
    Correct
    Wrong
  • 2
    - 3
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 1. "1"

Q:

यदि a+b+c=15 और a2+b2+c2=83 है, तो a3+b3+c3-3abc का मान ज्ञात करें 

1474 0

  • 1
    190
    Correct
    Wrong
  • 2
    210
    Correct
    Wrong
  • 3
    200
    Correct
    Wrong
  • 4
    180
    Correct
    Wrong
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Answer : 4. "180"

Q:

यदि x = a - b, y = b - c, z = c - a, है, तो बीजगणितीय व्यंजक x3 +y3 + z3 -3xyz का आंकिक मान ज्ञात करें । 

681 0

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

Q:

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

1373 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+b = 1 और a3+b3+3ab=k है तो k का मान ज्ञात करें 

1027 0

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

Q:

यदि $$64^{x+1}={64\over 4^x}$$ है, तो x का मान ज्ञात करे 

725 0

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

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