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Viruses are made of a) Lipoprotein b) Glycosides c) Nucleoprotein d) Lipids ...
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Temperature of the surface of the sun is nearly a) 3000℃ b) 4000℃ c) 6000℃ d) None of these ...
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if x+1/x=12 then x-1/x=? ...
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For an expression x2 - 5x + 6 = (x + a)(x + b), then ...