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Adopting green technologies in power generation, which has a lock-in effect lasting decades, and other areas like transport with immediate impacts such as reduced air pollution has a twin advantage. The local environment is cleaned up, improving the quality of life, and carbon emissions are cut. It is imperative therefore that the national position raises pressure on rich countries for technological and funding assistance under the Paris Agreement. In parallel, India would have to update its preparedness to meet the new regime of transparency that is to be launched under the climate pact. The preparatory decisions to write the rules and modalities for such a framework, and assist developing countries with capability building will be taken at Marrakech.
Pipes ‘A’ and ‘B’ can fill a tank in 6 hours and 9 hours, respectively. If pipe ‘C’ is opened along with pipes ‘A’ and ‘B’, then the...
Pipe A can fill a tank in 6 hours, and Pipe B can fill it in 8 hours. Pipe C can empty the tank in 10 hours. If all three pipes are opened simultaneousl...
Pipe ‘A’ can fill a tank in 12 hours while pipe ‘B’ takes 15 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
Pipe A and Pipe B together can fill the tank in 15 hours. The capacity of the pipe A is 20% of the capacity of the pipe B. How much time will pipe B alo...
Pipes ‘A’ and ‘B’ can fill a tank in 6 hours and 9 hours, respectively. If pipe ‘C’ is opened along with pipes ‘A’ and ‘B’, then the...
Pipe ‘A’ takes 10 minutes to fill a tank. Pipe ‘B’ takes 20 minutes to empty the same tank. If pipe ‘B’ is opened 4 ...
A large cistern can be filled by two pipes, P and Q, in 16 minutes and 24 minutes, respectively. Pipe R can empty the cistern in ...
Pipe ‘A’ can fill a tank in 25 hours while pipe ‘B’ can empty it in 30 hours. They were operated on alternate hours starting with pipe ‘A’. ...
Taps Q and R can fill a tank in 24 minutes and 32 minutes, respectively. The efficiency of tap S is 75% greater than that of tap Q. If tap R's efficienc...
Pipe ‘A’ can fill a tank in 6 hours whereas pipe ‘B’ can empty it in 18 hours. If both pipes are opened together while pipe ‘B’ is closed af...