How many metres of rope you'll need to climb down a cliff of height 2 kilometres?
Good evening mam/sir
My query is that...Reena climbs up 5 stairs in every second and then climb down 2 stairs over the next second . How many second will she take to climb 60 stairs..
Thank you
The capacity of a closed cylindrical vessel of height 1 m is 15.4 litres. How many square metres of metal sheet would be needed to make it?