A is twice as efficient as B. Time taken by B to complete `(4)/(7)` part of the work is 6n days more than the time taken by A to complete `(3)/(7)` pa
A is twice as efficient as B. Time taken by B to complete `(4)/(7)` part of the work is 6n days more than the time taken by A to complete `(3)/(7)` part of the same work. In how many days can A alone do the work?
5 views