If y = 5, then what is the value of \(10y\sqrt {{y^3} - {y^2}} \) = ?
\(50\sqrt 2 \)
100
\(200\sqrt 5 \)
500
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1
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\(99 \times 21 - \root 3 \of ? = 1968\)
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2
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Which number should replace both the question marks in the following equation ?/1776=111/?
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3
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What is \(\frac{{5 + \sqrt {10} }}{{5\sqrt 5 - 2\sqrt {20} - \sqrt {32} + \sqrt {50} }}\) equal to ?
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4
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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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5
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If the product of four consecutive natural numbers increased by a natural number p, is a perfect square, then the value of p is = ?
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6
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The number of digits in the square root of 625685746009 is = ?
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7
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1250 oranges were distributed among a group of girls of a class. Each girl got twice as many oranges as the number of girls in that group. The number of girls in the group was = ?
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8
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Given that \(\sqrt {13} = 3.605\) and \(\sqrt {130} = 11.40\) . find the value of \(\sqrt {1.30} \) + \(\sqrt {1300}\) + \(\sqrt {0.0130} \) = ?
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9
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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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10
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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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