Determined the value of \(\frac{1}{{\sqrt 1 + \sqrt 2 }}{ \text{ + }} \frac{1}{{\sqrt 2 + \sqrt 3 }} + \frac{1}{{\sqrt 3 + \sqrt 4 }} + ...... + \frac{1}{{\sqrt {120} + \sqrt {121} }}{ \text{ = ?}}\)
8
10
\(\sqrt {120} \)
\(12\sqrt 2 \)
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What is the smallest number by which 3600 be divided to make it a perfect cube ?
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2
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How many two-digit numbers satisfy this property. : The last digit (unit's digit) of the square of the two-digit number is 8 ?
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3
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If \(3a = 4b = 6c \) and \(a + b + c = 27\sqrt {29} { \text{,}} \) then\( \sqrt {{a^2} + {b^2} + {c^2}} \)is ?
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4
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If x=.and y= find value of is
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5
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Three fifth of the square of a certain number is 126.15, What is the number?
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6
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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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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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In the equation \(\frac{{4050}}{{\sqrt x }} = 450{ \text{}}\) the value of x is = ?
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9
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\(\sqrt {176 + \sqrt {2401} } \) is equal to = ?
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10
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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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