Question
Microbes like Rhizobium, Nitrosomonas and Nitrobacter
are used for:Solution
The correct answer is A
Two inlet pipes M and N alone can fill a tank in 10 hours and 12 hours respectively and an outlet pipe P alone can empty the whole tank in 5 hours. Firs...
The ratio of the rate of filling of two taps A and B is 3:2, respectively. If working together they can fill 3/4 of a tank in 18 minutes, how long will ...
Tap ‘A’ and tap ‘B’ can fill a tank in 42 hours and 30 hours, respectively. If both taps are opened together, then find the time after which tap...
Pipe 'A' fills half tank in 14 minutes. Pipe 'B' is 4 times as efficient. What % of the tank will be filled by both in 4 minutes?
Pipes A and B alone can fill a tank in 12 minutes and 18 minutes, respectively, while pipe C alone can empty the full tank in 36 minutes. If all the pip...
- Pipes ‘X’ and ‘Y’ alone can fill a tank in 12 minutes and 18 minutes, respectively, while pipe ‘Z’ can empty the same tank in 36 minutes. If al...
Pipe T can empty a completely filled tank in 50 hours. Pipe R and T together can fill an empty tank completely in (z+5) hours. The efficiency of pipe R ...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 7 hours while pipe ‘C’ takes 40 hours to empty it. ...
- Pipe A can fill a tank in 12 hours and pipe B in 18 hours. If both the pipes are opened in an empty tank, how much time will they take to fill it?
Tap A can fill a tank in 10 hours. Tap B can fill 12.5% part of the same tank in 5 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 2/5 par...
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