Simplification Practice Question and Answer

Q:

The value of x in the given equation
$$ {23 ^2 + \sqrt{x}=625}$$

1068 0

  • 1
    9576
    Correct
    Wrong
  • 2
    9124
    Correct
    Wrong
  • 3
    9216
    Correct
    Wrong
  • 4
    9028
    Correct
    Wrong
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Answer : 3. "9216"

Q:

The value of $$ {\sqrt{0.6912}+{\sqrt{0.5292}}\over {\sqrt{0.6912}-{\sqrt{0.5292}}}}$$ is:

1068 0

  • 1
    15
    Correct
    Wrong
  • 2
    1.5
    Correct
    Wrong
  • 3
    0.9
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 1. "15"

Q:

If $$ {3\sqrt{{1-a}\over{a}}}+9={19-3\sqrt{{a}\over{1-a}}}$$, then what is the value of a?

1057 0

  • 1
    $${3\over10},{7\over10}$$
    Correct
    Wrong
  • 2
    $${1\over10},{9\over10}$$
    Correct
    Wrong
  • 3
    $${2\over5},{3\over5}$$
    Correct
    Wrong
  • 4
    $${1\over5},{4\over5}$$
    Correct
    Wrong
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Answer : 2. "$${1\over10},{9\over10}$$"

Q:

If  $$\sqrt{2}=1.414$$, the value of $${ \sqrt{2}-1\over\sqrt{2}+1}$$  is nearest to 

1054 0

  • 1
    0.414
    Correct
    Wrong
  • 2
    0.586
    Correct
    Wrong
  • 3
    0.172
    Correct
    Wrong
  • 4
    1.414
    Correct
    Wrong
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Answer : 3. "0.172"

Q:

3x2 = 36 then what is the value of x?

1053 0

  • 1
    $$ {2\sqrt{3}}$$
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    $$ -{2\sqrt{3}}$$
    Correct
    Wrong
  • 4
    $$ {2\sqrt{3}}$$ or $$ -{2\sqrt{3}}$$
    Correct
    Wrong
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Answer : 4. "$$ {2\sqrt{3}}$$ or $$ -{2\sqrt{3}}$$"

Q:

Simplify the following equation
$$ {\sqrt{(1-sin^{2}θ) ÷{(1-cos^{2}θ)}}}$$

1049 0

  • 1
    tan θ
    Correct
    Wrong
  • 2
    cot θ
    Correct
    Wrong
  • 3
    sec θ
    Correct
    Wrong
  • 4
    cosec θ
    Correct
    Wrong
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Answer : 2. "cot θ"

Q:

Direction : What value should come in place question mark(?) in the following questions?

0.75 % of 90 + 0.55 % of 80=?

1044 0

  • 1
    1.725
    Correct
    Wrong
  • 2
    1.475
    Correct
    Wrong
  • 3
    1.325
    Correct
    Wrong
  • 4
    1.115
    Correct
    Wrong
  • 5
    0.995
    Correct
    Wrong
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Answer : 4. "1.115"

Q:

1040 0

  • 1
    11
    Correct
    Wrong
  • 2
    23
    Correct
    Wrong
  • 3
    49
    Correct
    Wrong
  • 4
    31
    Correct
    Wrong
  • 5
    47
    Correct
    Wrong
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Answer : 4. "31"

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