Three fifth of the square of a certain number is 126.15, What is the number?
210.25
75.69
14.5
145
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The square root of (2722−1282) is
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2
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If \(\sqrt 2 = 1.414{ \text{,}} \) the square root of \(\frac{{\sqrt 2 - 1}}{{\sqrt 2 + 1}}\) is nearest to = ?
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3
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\( \root 3 \of {\sqrt {0.000064} } = ?\)
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4
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5
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7
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While solving a mathematical problem, Samidha squared a number and then subtracted 25 from it rather than the required i.e., first subtracting 25 from the number and then squaring it. But she got the right answer. What was the given number ?
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8
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\(1728 \div \root 3 \of {262144} \times ? - 288\) = 4491
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9
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If \(3\sqrt 5 + \sqrt {125} \) = 17.88, then what will be the value of \(\sqrt {80} + 6\sqrt 5 ?\)
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10
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\(\sqrt {11881} \times \sqrt ? = 10137\)
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