Equation Practice Question and Answer

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Answer : 4. "D"

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Answer : 3. "C"

Q:

If 2x + 3y = 87 and 3x – 3y = 48, what is the value of x?

1462 0

  • 1
    29
    Correct
    Wrong
  • 2
    11
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 4. "None of these"

Q:

In the following questions two equations numbered I and II are given. You have to solve both the equations and ____
I.
II.
Give answer
(A) x > y
(B) x ≥ y
(C) x < y
(D) x ≤ y
(E) x=y or the relationship cannot be established

1394 0

  • 1
    A
    Correct
    Wrong
  • 2
    B
    Correct
    Wrong
  • 3
    C
    Correct
    Wrong
  • 4
    D
    Correct
    Wrong
  • 5
    E
    Correct
    Wrong
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Answer : 4. "D"

Q:

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

1377 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:

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

1337 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"

Q:

If a + b = -2 and a - b = 12, find b. 

1296 0

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

Q:

(3x-7)3+(3x-8)3+(3x+6)3=3(3x-7)(3x-8)(3x+6)
Find the value of x ?

1290 0

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

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