Equation Questions Practice Question and Answer

Q:

What are the roots of the equation log10(x2-6x+45) =2?

1547 0

  • 1
    9, - 5
    Correct
    Wrong
  • 2
    -9, 5
    Correct
    Wrong
  • 3
    11, -5
    Correct
    Wrong
  • 4
    -11, 5
    Correct
    Wrong
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Answer : 3. "11, -5"

Q:

If α and β are the roots of the equation x2 + x - 1 = 0, then what is the equation whose roots are and α5 and β

1333 0

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

Q:

A root of equation (where a, b and c are rational numbers) is 5 +3√3. What is the value of

1247 0

  • 1
    35/3
    Correct
    Wrong
  • 2
    37/3
    Correct
    Wrong
  • 3
    -105/11
    Correct
    Wrong
  • 4
    -105/13
    Correct
    Wrong
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Answer : 3. "-105/11"

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Answer : 4. "D"

Q:

If 4x+5y=83 and then what is the value of y-x ?

1315 0

  • 1
    3
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    11
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "4"

Q:

Find the exact value of the following question:

966 0

  • 1
    Correct
    Wrong
  • 2
    Correct
    Wrong
  • 3
    13
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
  • 5
    11
    Correct
    Wrong
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Answer : 2. ""

Q:

Solve: 0.05 × 0.4 

1165 0

  • 1
    2
    Correct
    Wrong
  • 2
    0.02
    Correct
    Wrong
  • 3
    0.2
    Correct
    Wrong
  • 4
    0.002
    Correct
    Wrong
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Answer : 2. "0.02 "

Q:

Directions: In the following question, two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.

I. X– 5x + 6 = 0
II. 2y2 – 7y +3 = 0

411 0

  • 1
    X > Y
    Correct
    Wrong
  • 2
    X < Y
    Correct
    Wrong
  • 3
    X ≥ Y
    Correct
    Wrong
  • 4
    X ≤ Y
    Correct
    Wrong
  • 5
    X = Y or no relation can be established
    Correct
    Wrong
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Answer : 5. "X = Y or no relation can be established"

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