Algebra Question with answer Practice Question and Answer

Q:

If   then the value of is 

1143 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 =500, b=502 and c=504, then the value of a3 +b3 +c3-3abc

1128 0

  • 1
    17040
    Correct
    Wrong
  • 2
    18072
    Correct
    Wrong
  • 3
    12048
    Correct
    Wrong
  • 4
    15050
    Correct
    Wrong
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Answer : 2. "18072"

Q:

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

1126 0

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

Q:

Value of

1118 0

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

Q:

If a+b=2c, find

1105 0

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

Q:

If x - y = 6 and xy = 40, then  find

1100 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 (a-b)2 + (b-c)2 + (c-a)2 = 0, then find the value of (a3+b3+c3-3abc) ?

1099 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 x = b+c -2a, y=c+a-2b, z=a+b-2c, then the value of x2+y2-z2+2xy is : 

1098 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"

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