Question
The division of population into two or more layers, each
of which is relatively homogeneous and between which there are differences in opportunities, restrictions, rewards and obligations is referred as:Solution
The division of population into two or more layers, each of which is relatively homogeneous and between which there are differences in opportunities, restrictions, rewards and obligations is Social stratification.
Pipe ‘A’ fills a tank in 25 hours, and pipe ‘B’ empties it in 50 hours. If both are opened together, how much time will it take to fill 80% of ...
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. ...
- Pipes K and L alone can fill a tank in 4 hours and 6 hours respectively. When both pipes along with pipe M, an outlet pipe, are opened together, 3/4 of the...
Two inlets X, Y fill the tank in 18 and 9 minutes. Outlet Z is 50% less efficient than X. ‘X’ and ‘Z’ open for 6 minutes, then X is replaced wit...
Pipe A can fill the tank in 12 hours. Pipe A and B together can fill it in 8 hours. Pipe B and C together can fill it in 6 hours. In how many hours will...
A and B can fill a tank in 14 and 21 hours. Pipe C can empty it in ‘x’ hours. All three open together fill the tank in 7 hours. Find x.
Three taps A, B and C can fill a tank in 10, 18 and 6 hours, respectively. If B is open all the time and A and C are open for one hour each alternativel...
Pipe A and B can fill a tank in 36 and 45 hours. Pipe C can empty the tank in ‘x’ hours. If all three are opened, the tank is filled in 60 hours. Fi...
Pipe ‘M’ and pipe ‘N’ can fill a tank alone in 20 hours and 40 hours, respectively. If both pipes are opened together and pipe ‘M’ is close...
A pipe can fill a tank in 6 hours, another can empty it in 9 hours. How long to fill if both work together?
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