Find the cube root of 2744.
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If \(a = \frac{{\sqrt 3 }}{2}{ \text{}}\) then \(\sqrt {1 + a} + \sqrt {1 - a} = ?\)
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2
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If \(a = \frac{{\sqrt 3 + \sqrt 2 }}{{\sqrt 3 - \sqrt 2 }}, b = \frac{{\sqrt 3 - \sqrt 2 }}{{\sqrt 3 + \sqrt 2 }}\) then the value of \({a^2} + {b^2}\) would be = ?
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3
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If 1537* is a perfect square, then the digit which replace * is = ?
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4
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The approximate value of \(\frac{{3\sqrt {12} }}{{2\sqrt {28} }} \div \frac{{2\sqrt {21} }}{{\sqrt {98} }}\) is ?
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5
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The value of \(\sqrt {0.000441} \) is = ?
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6
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The least perfect square, which is divisible by each of 21, 36 and 66 is:
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7
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\({1.5^2} \times \sqrt {0.0225} = ?\)
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8
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By what least number 4320 be multiplied to obtain a number which is a perfect cube?
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9
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\(\sqrt {\frac{{16}}{{25}}} \times \sqrt {\frac{?}{{25}}} \times \frac{{16}}{{25}} = \frac{{256}}{{625}}\)
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10
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If \(\sqrt 5 = 2.236{ \text{,}}\) then the value of \(\frac{1}{{\sqrt 5 }} \) is = ?
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