Algebra Question with answer Practice Question and Answer

Q:

If then the value of


1072 0

  • 1
    -1
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    41
    Correct
    Wrong
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Answer : 2. "1"

Q:

If   then the value of is 

1071 0

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

Q:

If a + a2+a3-1=0, then what is the value of a3 +(1/a)?

1066 0

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

Q:

If x - y = 6 and xy = 40, then  find

1064 0

  • 1
    146
    Correct
    Wrong
  • 2
    80
    Correct
    Wrong
  • 3
    89
    Correct
    Wrong
  • 4
    116
    Correct
    Wrong
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Answer : 4. "116"

Q:

If x = b+c -2a, y=c+a-2b, z=a+b-2c, then the value of x2+y2-z2+2xy is : 

1056 0

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

Q:

If (a-b)2 + (b-c)2 + (c-a)2 = 0, then find the value of (a3+b3+c3-3abc) ?

1055 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:

Value of

1046 0

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

Q:

Find the value of n when

1020 0

  • 1
    1
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 2. "3"

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