Algebra Practice Question and Answer

Q:

If $$ {x+3y-{2z\over 4}}=6$$ , $$ {x+{2\over 3}}(2y+3z)=33$$ and $$ {1\over 7}{(x+y+z)+2z=9}$$, then what is the value of $$ {46x+131y}$$?

3235 0

  • 1
    364
    Correct
    Wrong
  • 2
    414
    Correct
    Wrong
  • 3
    384
    Correct
    Wrong
  • 4
    464
    Correct
    Wrong
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Answer : 2. "414"

Q:

Sum of the factors of 4b2c2-(b2+c2-a2)2 is : 

2757 0

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

Q:

If P= 22 + 62 + 102 +142 +……..942 and Q=12 + 52 + 92 +……..812, then what is the value of P- Q ?

2319 0

  • 1
    24645
    Correct
    Wrong
  • 2
    31515
    Correct
    Wrong
  • 3
    29317
    Correct
    Wrong
  • 4
    26075
    Correct
    Wrong
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Answer : 4. "26075"

Q:

Out of the given responses one of the factors of  (a2-b2)3+(b2-c2)3+(c2-a2)3 is 

2145 0

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

Q:

If $$ m+{1\over m-2}=0$$ then the value of $$ (m-2)^{12}+{1\over{(m-2)}^{12}} $$ is.

1963 2

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

Q:

If $$ {x+{1\over 16x}}=1 $$, then $$ {64x^{3}+{1\over 64x^{3}}}$$ will be:

1892 0

  • 1
    40
    Correct
    Wrong
  • 2
    52
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    76
    Correct
    Wrong
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Answer : 2. "52"

Q:

If a + b + c = 0, then a3+b3+c3 is equal to 

1801 0

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

Q:

If a + b + c=15, abc=120 and (ab+bc+ca)=74, then the value of a3+b3+c3=?

1716 0

  • 1
    405
    Correct
    Wrong
  • 2
    450
    Correct
    Wrong
  • 3
    401
    Correct
    Wrong
  • 4
    403
    Correct
    Wrong
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Answer : 1. "405"

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