\(\sqrt {\frac{{16}}{{25}}} \times \sqrt {\frac{?}{{25}}} \times \frac{{16}}{{25}} = \frac{{256}}{{625}}\)
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1
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\(9{x^2} + 25 - 30x\) can be expressed as the square of = ?
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2
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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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3
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The value of \(\sqrt {0.000441} \) is = ?
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4
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Determined the value of \(\frac{1}{{\sqrt 1 + \sqrt 2 }}{ \text{ + }} \frac{1}{{\sqrt 2 + \sqrt 3 }} + \frac{1}{{\sqrt 3 + \sqrt 4 }} + ...... + \frac{1}{{\sqrt {120} + \sqrt {121} }}{ \text{ = ?}}\)
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5
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The number of digits in the square root of 625685746009 is = ?
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6
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The value of \(\sqrt {\frac{{0.16}}{{0.4}}} \) is = ?
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7
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The square root of \(\left( {{{272}^2} - {{128}^2}} \right) \) is = ?
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8
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\(\left( {\frac{{\sqrt {625} }}{{11}} \times \frac{{14}}{{\sqrt {25} }} \times \frac{{11}}{{\sqrt {196} }}} \right){\kern 1pt} \) is equal to :
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9
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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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10
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The digit in the unit's place in the square root of 15876 is = ?
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