Question
If the firms under perfect competition have different
costs, abnormal profits can be earned in the long run only bySolution
If the firms under perfect competition have different costs, abnormal profits can be earned in the long run only by intra-marginal firms
Two inlet pipes 'A' and 'B' can fill an empty tank in 36 minutes and 48 minutes, respectively. Another outlet pipe 'C' can empty the tank in 144 minutes...
- Pipe A can fill a tank in 12 hours and pipe B in 18 hours. If both the pipes are opened in an empty tank, how much time will they take to fill it?
Pipes ‘A’ and ‘B’ together can fill a tank in 18 hours, while pipe ‘B’ alone can fill it in 36 hours. If pipe ‘C’ takes 12 hours less th...
Two pipes X and Y can fill a tank in 90 minutes and 60 minutes respectively. A third pipe Z can empty the tank in 2 hours 30 minutes. X is kept closed. ...
Pipe T can empty a completely filled tank in 50 hours. Pipe R and T together can fill an empty tank completely in (z+5) hours. The efficiency of pipe R ...
A tank is filled by two pipes A and B in 12 minutes and 15 minutes, respectively. Another pipe C can empty the tank in 10 minutes. If all three pipes ar...
Three pipes A, B, and C can fill a tank in 50 minutes, 60 minutes, and 75 minutes respectively. All are opened together. A is closed after 'n' minutes, ...
Pipe 'A' and pipe 'B', alone can fill a tank in 20 minutes and 30 minutes, respectively. Both the pipes were opened together to fill the tank, but later...
Pipes ‘P’ and ‘Q’ alone can fill a tank in 10 minutes and 25 minutes, respectively, while pipe ‘R’ can empty the same tank in 50 minutes. If...
Vikas and Vishal can do a job in 7 days and 14 days respectively. They began the work together but 4 days before the completion of job, Vikas lea...
