Start learning 50% faster. Sign in now
Recently, a team of researchers from Kolkata's Visva-Bharati has identified a new species of bacteria which has been named Pantoea Tagorei in homage to Nobel Laureate Rabindranath Tagore. It was discovered from soil samples collected in the Jharia coal mines. It has unique properties beneficial for plant growth.
Pipe ‘A’ can fill a 180-litre tank in 18 hours. If pipe ‘A’ is 25% more efficient than pipe ‘C’ whereas pipe ‘B’ is 50% more efficient t...
Pipe ‘A’ can fill a tank in 22 hours while pipe ‘B’ takes 25 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
A pipe fills a tank in 20 hours, and another pipe empties it in 30 hours. If both pipes are opened together, how long will it take to fill the tank?
Pipe P can fill half of the tank in 8 hrs 5 min and pipe Q can fill the same tank completely in 16 hrs 5 min. Another pipe R can empty the full tank in ...
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 le...
Pipe ‘X’ alone can fill a tank in 20 hours. When pipe ‘X’ and ‘Y’ are opened together, they can fill 60% of the same tank in 6 hours. Find t...
Pipe X can empty a completely filled tank in 60 hours. Pipe Y and X together can fill an empty tank completely in (z+6) hours. The efficiency of pipe Y ...
In how many minutes can the faster Tap alone fill the tank, if Tap P and Q, working together, can fill the tank in 45 minutes and Tap P is three times f...
Tap ‘A’ and tap ‘B’ can fill a tank in 32 hours and 24 hours, respectively. If both taps are opened together, then find the time after which tap...
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...