Simplification Questions Practice Question and Answer

Q:

The largest number of five digits, which is a perfect square is 

1333 0

  • 1
    99999
    Correct
    Wrong
  • 2
    99856
    Correct
    Wrong
  • 3
    99976
    Correct
    Wrong
  • 4
    99764
    Correct
    Wrong
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Answer : 2. "99856 "

Q:

What mathematical operation should come at the place of ‘?’ in the equation:
2 ? 6 – 12 ÷ 4 +2 =11.

1330 0

  • 1
    +
    Correct
    Wrong
  • 2
    Correct
    Wrong
  • 3
    ×
    Correct
    Wrong
  • 4
    ÷
    Correct
    Wrong
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Answer : 3. "×"
Explanation :

Put option (C) you can find your answer.

Q:

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

1327 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:

Direction: what should come in place at question mark(?).

$$ {4\over 7}×{2{4\over 5}÷{2\over 5}=?}$$

1324 0

  • 1
    $$ {6\over 7}$$
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    $$ {3\over 5}$$
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "4"

Q:

Simplify : $$ {(2x)^{2}-(2y)^{2}-(4x)^{2}}$$

1324 0

  • 1
    $$ {(12x^{2}-4y^{2})}$$
    Correct
    Wrong
  • 2
    $$ {(12x^{2}+4y^{2})}$$
    Correct
    Wrong
  • 3
    $$ {-12x^{2}+4y^{2}}$$
    Correct
    Wrong
  • 4
    $$ {-12x^{2}-4y^{2}}$$
    Correct
    Wrong
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Answer : 4. "$$ {-12x^{2}-4y^{2}}$$"

Q:

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

1321 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:

Evaluate: $$ {9।3-5।-5।-5।4।÷10\over-3(5)-2×4÷2}$$

1300 0

  • 1
    $$-{16\over 19}$$
    Correct
    Wrong
  • 2
    $${4\over 7}$$
    Correct
    Wrong
  • 3
    $$9\over 10$$
    Correct
    Wrong
  • 4
    $$-{8\over 17}$$
    Correct
    Wrong
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Answer : 1. "$$-{16\over 19}$$"

Q:

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

1296 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 $$ -{2\sqrt{3}}$$"

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