$(64)^{x} = 2\sqrt{2}$, then the value of x is
A hollow sphere in which a circus motorcyclist performs his stunts, has an inner diameter of 7 metres. The area available to the motorcyclist for riding is (in Sqm) |
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1 sq decimetre is equal to |
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$\triangle$ ABC ~ $\triangle$ PQR; AB =3.6, PQ = 2.4 and PR = 5.4, then AC = |
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The arithmetic mean of 10 numbers is -7. If 5 is added to every |
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a = 3, b = 7, then the value of $a^{b}$ - $b^{a}$ is |
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The median of the following data |
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The present value of a television is Rs. 14,580. If the value of the television depreciates at the rate of 10% every year, then the value of the television 3 years ago was |
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The sides of two similar triangles are in the ratio of $\sqrt{3}$: 2. Then their areas are in the ratio of |
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If $\alpha$, $\beta$ are the roots of $x^{2}$ -px + q = 0, then the value of $\dfrac{\alpha^{2}}{\beta}$ + $\dfrac{\beta^{2}}{\alpha}$ |
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The arithmetic mean of a group of 20 observations was calculated as 12.5. It was later found that one observation was wrongly read as -15 instead of 15. Then the correct mean is |
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