Simplification Practice Question and Answer

Q:

What is the value of ?

659 0

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

Q:

If   , then what is the value of k?

659 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:

If a3 – b3 – c3 – 3abc = 0, then 

655 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

652 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:

The value of is

634 0

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

Q:

Simplify the following expression.
12 + 2.5 + (1.5 of 4) - 2.6

630 0

  • 1
    17.9
    Correct
    Wrong
  • 2
    18.9
    Correct
    Wrong
  • 3
    18.1
    Correct
    Wrong
  • 4
    17.1
    Correct
    Wrong
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Answer : 1. "17.9"

Q:

What is the value of y in the following equation?
(1÷23) of [2{3 + 4(35 + 7)}] = y

626 1

  • 1
    2
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    23
    Correct
    Wrong
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Answer : 1. "2"

Q:

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

622 0

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

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