Simplification Questions Practice Question and Answer

Q:

If a3 – b3 – c3 – 3abc = 0, then 

635 0

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

Q:

If a + b + c = 2, a² + b² + c² = 26 then the value of a³ + b³ + c³ – 3abc is

633 0

  • 1
    71
    Correct
    Wrong
  • 2
    74
    Correct
    Wrong
  • 3
    69
    Correct
    Wrong
  • 4
    78
    Correct
    Wrong
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Answer : 2. "74"

Q:

If   , then what is the value of k?

633 0

  • 1
    102
    Correct
    Wrong
  • 2
    119
    Correct
    Wrong
  • 3
    136
    Correct
    Wrong
  • 4
    85
    Correct
    Wrong
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Answer : 2. "119"

Q:

625 0

  • 1
    30
    Correct
    Wrong
  • 2
    12.5
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    17.5
    Correct
    Wrong
  • 5
    22.5
    Correct
    Wrong
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Answer : 2. "12.5"

Q:

If the sum of {a\over b}and its reciprocal is 1 and a ≠ 0, b ≠ 0, then the value of a3 + b3 is

621 0

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

Q:

If 5x + 5 > 2 + 2x and 5x + 3 ≤ 4x + 5; then x can take which of the following values?

603 0

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

Q:

599 0

  • 1
    64
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    68
    Correct
    Wrong
  • 4
    56
    Correct
    Wrong
  • 5
    72
    Correct
    Wrong
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Answer : 1. "64"

Q:

598 0

  • 1
    20
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    28
    Correct
    Wrong
  • 4
    32
    Correct
    Wrong
  • 5
    22
    Correct
    Wrong
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Answer : 2. "24"

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