Algebra Question with answer Practice Question and Answer

Q:

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

857 0

  • 1
    9
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    $${25\over4}$$
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 4. "4"

Q:

If average of two x and $$1\over x$$ (where x ≠ 0) is A, what will be the average of x3 and $$1\over {x^3}$$?

1099 0

  • 1
    $$4A^3-2A$$
    Correct
    Wrong
  • 2
    $$4A^3-3A$$
    Correct
    Wrong
  • 3
    $$4A^3-4A$$
    Correct
    Wrong
  • 4
    $$4A^2-2A$$
    Correct
    Wrong
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Answer : 2. "$$4A^3-3A$$ "

Q:

simplify the following equation
$$ (1-{1\over3})(1-{1\over4})(1-{1\over5})......(1-{1\over n})$$

862 0

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

Q:

Solve the following equation.

1136 0

  • 1
    4
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "10"

Q:

If then the value of is

1216 0

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

Q:

If x2+y2+z2 = xy + yz + zx, then the value of is

1579 0

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

Q:

If   then what is the value of  

1277 0

  • 1
    110
    Correct
    Wrong
  • 2
    115
    Correct
    Wrong
  • 3
    125
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 2. "115"

Q:

If x = 2 then the value of is:

1389 0

  • 1
    1211
    Correct
    Wrong
  • 2
    1231
    Correct
    Wrong
  • 3
    1233
    Correct
    Wrong
  • 4
    1321
    Correct
    Wrong
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Answer : 3. "1233"

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