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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1
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R is a positive number. It is multiplied by 8 and then squared. The square is now divided by 4 and the square root is taken. The result of the square root is Q. What is the value of Q ?
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2
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The smallest natural number which is a perfect square and which ends in 3 identical digits lies between ?
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3
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Which smallest number must be added to 710 so that the sum is a perfect cube ?
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4
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If the product of four consecutive natural numbers increased by a natural number p, is a perfect square, then the value of p is = ?
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5
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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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6
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If \(x = \frac{{\sqrt 3 + 1}}{{\sqrt 3  1}} \) \(y = \frac{{\sqrt 3  1}}{{\sqrt 3 + 1}}\)and then the value of \(\left( {{x^2} + {y^2}} \right)\) is?
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7
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The square root of \({ \text{0}}{ \text{.}}\overline { \text{4}} \) is ?
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8
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If = the value of x is = ?
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9
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What should come in place of both x in the equation \(\frac{x}{{\sqrt {128} }} = \frac{{\sqrt {162} }}{x}\)
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10
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\(\sqrt {0.2} = ?\)
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