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Start learning 50% faster. Sign in nowBrazil top the latest edition of the FIFA Men's World Rankings, which was released recently . Argentina had been third the last time that the rankings were officially updated in October . Top 10 Countries :
If a tank can be filled by a tap in 14 hours, but due to an outlet, it actually takes 4 hours longer to fill the tank, find the duration in which the ou...
Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ takes 30 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
Two inlet pipes 'A' and 'B' can fill an empty tank in 15 minutes and 20 minutes, respectively. Another outlet pipe 'C' can empty the tank in 60 minutes....
Two pipes, A and B, can independently fill the tank in 15 minutes and 25 minutes respectively, while pipe C can empty 9 gallons from the tank in 3 minut...
There are 16 taps which are fitted in a tank .In which some are inlet pipes and some are Outlet pipes .Each inlet tap has the efficiency to fill 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 ...
Tap A can fill a tank in 15 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 5/8 par...
Tap A can fill a tank in 10 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 3/7 par...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 7 hours while pipe ‘C’ takes 40 hours to empty it. ...