RAMARAJU

Rotations per Minute . How many rotations per minute must a wheel of diameter 1.5 m make to achieve a speed of 45 kmph ? (Approx pi= 3 ).

The time required for completing 3 tasks:type-1 , type-2 ,type-3,by three carpenters is given in the table below.time specified in the table is for manufacturing single unit. all the carpenters start working simultaneously on one task each,with an objecti...