R is a positive number. It is multiplied by 8 and then squared. The square is now divided by 4 and the square root is taken. The result of the square root is Q. What is the value of Q ?
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\({\left[ {{{\left( {\sqrt {81} } \right)}^2}} \right]^2} = {\left( ? \right)^2}\)
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\(\sqrt {176 + \sqrt {2401} } \) is equal to = ?
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What percentage of the numbers from 1 to 50 have squares that end in the digit 1 ?
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4
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Three fifth of the square of a certain number is 126.15, What is the number?
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\(\sqrt {110.25} \times \sqrt {0.01} \div \) \(\sqrt {0.0025}\)  \(\sqrt {420.25}\) equals ?
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If \(\sqrt 5 = 2.236{ \text{,}}\) then the value of \(\frac{1}{{\sqrt 5 }} \) is = ?
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7
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The square root of \(\left( {7 + 3\sqrt 5 } \right) \left( {7  3\sqrt 5 } \right)\) is
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\(\sqrt {\frac{{16}}{{25}}} \times \sqrt {\frac{?}{{25}}} \times \frac{{16}}{{25}} = \frac{{256}}{{625}}\)
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\(99 \times 21  \root 3 \of ? = 1968\)
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If \(\sqrt {24} = 4.889,\) the value of \(\sqrt {\frac{8}{3}} \) is = ?
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