\(\sqrt {\frac{{25}}{{81}} - \frac{1}{9}} = ?\)
2/3
4/9
16/81
25/81
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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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2
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One-fourth of a herd of camels was seen in the forest. Twice the square root of the herd had gone to mountains and the remaining 15 camels were seen on the bank of a river. Find the total number of camels ?
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3
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simplifies to:
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4
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\(\sqrt {0.0169 \times ?} = 1.3\)
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5
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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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6
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The number of perfect square numbers between 50 and 1000 is = ?
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7
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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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8
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The square root of 535.9225 is = ?
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9
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\(9{x^2} + 25 - 30x\) can be expressed as the square of = ?
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10
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The square root of 41209 is equal to = ?
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