Algebra Practice Question and Answer

Q:

If 5√x + 12√x = 13√x, then x is equal to: 

853 0

  • 1
    9
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    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    Correct
    Wrong
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    4
    Correct
    Wrong
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Answer : 4. "4"

Q:

 If , then the value of a is : 

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Answer : 4. " "

Q:

If x is real then the minimum value of (x2-x-1) is :

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  • 1
    1
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    0
    Correct
    Wrong
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Answer : 2. " "

Q:

If a2x+2=1, where a is a positive real number other than 1, then x is equal to 

814 0

  • 1
    0
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    1
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    – 2
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    – 1
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Answer : 4. "– 1 "

Q:

If x, y are two positive real number and  , then which of the following relations is true?

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Answer : 2. " "

Q:

If a = 7, b = 5 and c = 3, then the value of is 

826 0

  • 1
    0
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    8
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    -12
    Correct
    Wrong
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Answer : 3. "12 "

Q:

Two numbers x and y (x>y) such that their sum is equal to three times their difference. Then value of will be 

843 0

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    1
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Answer : 4. " 1"

Q:

If and then the value of is.

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Answer : 1. ""

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