Algebra Practice Question and Answer

Q:

If a-6b = 3 then the value of a3-216b3-54ab is : 

1417 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:

If   then the value of is 

1104 0

  • 1
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 1. ""

Q:

Find the minimum value of x which the expression  
x3-7x2+11x - 5 ≥ 0.

1599 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:

If a+b+c=15 and a2+b2+c2=83 then the value of a3+b3+c3-3abc

1688 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:

If x = a - b, y = b - c, z = c - a, then the numerical value of the algebraic expression x3 +y3 + z3 -3xyz will be 

798 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:

If a=34, b=c=33, then the value of a3+b3+c3-3abc is 

1488 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:

If a+b = 1 and a3+b3+3ab=k, then the value of k is : 

1171 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:

If , then the value of x

853 0

  • 1
    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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