If \(x = 3 + \sqrt 8 , \) then \({x^2} + \frac{1}{{{x^2}}}\) is equal to = ?
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What should come in place of both the question marks in the equation x/√128 = √162/x ?
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2
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\(\sqrt {1.5625} = ?\)
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3
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The least perfect square, which is divisible by each of 21, 36 and 66 is:
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4
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The square root of 123454321 is = ?
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5
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The square root of \(\left( {{{272}^2} - {{128}^2}} \right) \) is = ?
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6
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If \(\sqrt y = 4x{ \text{}} \) then \(\frac{{{x^2}}}{y}\) is = ?
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7
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If \(\sqrt 5 = 2.236, \) then the value of \(\frac{{\sqrt 5 }}{2} - \frac{{10}}{{\sqrt 5 }} + \sqrt {125} \) is equal to :
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8
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How many perfect squares lie between 120 and 300 ?
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9
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If y = 5, then what is the value of \(10y\sqrt {{y^3} - {y^2}} \) = ?
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10
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The square root of \({ \text{0}}{ \text{.}}\overline { \text{4}} \) is ?
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