If √x+x/y = x√x/y where x and y are positive real numbers, then y is equal to ?
x + 1
x - 1
x2 + 1
x2 - 1
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\(\sqrt {110.25} \times \sqrt {0.01} \div \) \(\sqrt {0.0025}\) - \(\sqrt {420.25}\) equals ?
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2
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If \(\sqrt 6 = 2.449{ \text{,}}\) then the value of \(\frac{{3\sqrt 2 }}{{2\sqrt 3 }}\) is = ?
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3
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For what value of * the statement
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4
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What is the least number which should be subtracted 0.000326 in order to make it a perfect square = ?
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5
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The smallest natural number which is a perfect square and which ends in 3 identical digits lies between ?
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6
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If \(a = \frac{{\sqrt 5 + 1}}{{\sqrt 5 - 1}} \) and \(b = \frac{{\sqrt 5 - 1}}{{\sqrt 5 + 1}},\) the value of \(\left( {\frac{{{a^2} + ab + {b^2}}}{{{a^2} - ab + {b^2}}}} \right)\) is ?
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7
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Evaluate -
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8
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\(\sqrt {1.5625} = ?\)
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9
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Three fifth of the square of a certain number is 126.15, What is the number?
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10
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\(\frac{1}{{\left( {\sqrt 9 - \sqrt 8 } \right)}} - \frac{1}{{\left( {\sqrt 8 - \sqrt 7 } \right)}} + \frac{1}{{\left( {\sqrt 7 - \sqrt 6 } \right)}} - \frac{1}{{\left( {\sqrt 6 - \sqrt 5 } \right)}} + \frac{1}{{\left( {\sqrt 5 - \sqrt 4 } \right)}}\) is equal to ?
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