Ny shortcut for time and work?
If u r given dat one takes 20mins while other takes 30 min...what time would it take if dey wrk together...
U simply need to find d lcm of 20 nd 30
Den u need to find d unit of wrk dey individually do in one minute
Den lcm/(unit of wrk dne by 1)+(unit of wrk dne by 2)
Could u plz elaborate?
Use lcm method