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Category: Mensuration

Question-125337

Question Number 125337 by ajfour last updated on 10/Dec/20 Commented by ajfour last updated on 10/Dec/20 $${If}\:{all}\:{coloured}\:{areas}\:{are}\:\mathrm{10}\:{units} \\ $$$${each},\:{find}\:{coordinates}\:{of}\:{G}. \\ $$$$\left({FGE}\:\:\:{and}\:{CGD}\:{are}\:{straight}\right. \\ $$$$\left.{segments}\right) \\ $$…

Question-125215

Question Number 125215 by ajfour last updated on 09/Dec/20 Commented by ajfour last updated on 09/Dec/20 $${A}\:{cylindrical}\:{hole}\:{of}\:{radius}\:{half} \\ $$$${that}\:{of}\:{the}\:{sphere}\:{is}\:{drilled}\:{out}\:, \\ $$$${touching}\:{the}\:{equatorial}\:{plane}\:{of} \\ $$$${sphere}.\:{Find}\:{fraction}\:{of}\:{volume} \\ $$$${drilled}\:{out}.…

Question-125108

Question Number 125108 by peter frank last updated on 08/Dec/20 Commented by mr W last updated on 08/Dec/20 $${where}\:{did}\:{you}\:{get}\:{these}\:{questions}? \\ $$$${they}\:{are}\:{wrong},\:{i}.{e}.\:{there}\:{is}\:{no} \\ $$$${solution}. \\ $$$${the}\:{last}\:{digit}\:{of}\:\mathrm{2}^{{any}\:{integer}}…