\(9{x^2} + 25 - 30x\) can be expressed as the square of = ?
\(3{x^2} - 25\)
3x + 5
- 3x - 5
3x - 5
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1
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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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2
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\({\left( {15} \right)^2} + {\left( {18} \right)^2} - 20 = \sqrt ? \)
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3
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The greatest four digit perfect square number is = ?
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4
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\(\sqrt {\frac{{16}}{{25}}} \times \sqrt {\frac{?}{{25}}} \times \frac{{16}}{{25}} = \frac{{256}}{{625}}\)
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5
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If a = 0.1039, then the value of \(\sqrt {4{a^2} - 4a + 1} + 3a\) is:
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6
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If \(\sqrt {24} = 4.889,\) the value of \(\sqrt {\frac{8}{3}} \) is = ?
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7
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If \(\sqrt 6 = 2.449{ \text{,}}\) then the value of \(\frac{{3\sqrt 2 }}{{2\sqrt 3 }}\) is = ?
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8
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The value of \(\sqrt {\frac{{0.16}}{{0.4}}} \) is = ?
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9
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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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10
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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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