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Start learning 50% faster. Sign in now• Chhattisgarh-based Coal India subsidiary South Eastern Coalfield Limited’s Gevra mine is set to become the largest coal mine in Asia. • The mine has been granted environmental clearance to expand production capacity to 70 million tons per annum from the current 52.5 million tons. Learn Along: About Gevra • Gevra is one of the megaprojects of South Eastern Coalfields Limited and became the largest coal mine in the country last year with annual production for FY 22-23 reaching 52.5 million tons and has been contributing towards energy security of the country for more than 40 years. • The mine has a strike length of around 10 KM and a breadth of 4 KM.
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 A and B are opened together to fill a tank. Both the pipes fill the tank in time “x”. If A separately takes 8 minute more time than “x�...
Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be clo...
Pipe ‘A’ can fill a tank in 40 hours whereas leak ‘A’ can empty it in 50 hours. If they both operate along with pipe ‘B’, then the given tan...
A cistern has a leak that can empty it in 12 hours. A tap is turned on, which fills water at the rate of 15 liters per hour. Now, the cistern gets empti...
An inlet pipe can fill a tank in 18 minutes, while an outlet pipe can empty it in 27 minutes. Sujata starts the inlet pipe at 6 a.m., but the outlet pip...
Tap A and Tap B fill a drum of volume 552 liters in 24 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ci...
Pipe P can fill a tank in 12 hours, while pipe Q can fill the same tank in 20 hours. Both pipes are initially opened to fill an empty tank, but after 5 ...
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...
There are 4 inlet and (y-3) outlet pipes attached to a tank. Each inlet pipe takes 30 hours to fill the tank, and each outlet pipe empties the fully fil...
