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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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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2
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If 1537* is a perfect square, then the digit which replace * is = ?
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3
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What is the smallest number by which 3600 be divided to make it a perfect cube ?
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4
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The square root of \(\frac{{{{\left( {0.75} \right)}^3}}}{{1 - 0.75}} { \text{ + }}\left[ {0.75 + {{\left( {0.75} \right)}^2} + 1} \right]\) is = ?
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5
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The value of \(\sqrt {0.01} { \text{ + }} \sqrt {0.81} { \text{ + }} \sqrt {1.21} { \text{ + }} \sqrt {0.0009} \) is = ?
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6
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What is the least number to be added to 7700 to make it a perfect square ?
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7
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If =.0026, the square root of 67,60,000 is:
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8
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The least perfect square, which is divisible by each of 21, 36 and 66 is:
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9
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If \(a = \frac{{\sqrt 3 }}{2}{ \text{}}\) then \(\sqrt {1 + a} + \sqrt {1 - a} = ?\)
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10
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By what least number 4320 be multiplied to obtain a number which is a perfect cube?
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