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They are simple tools, consisting of a long pole with a blade attached to the lower end. They do simple tasks--removing weeds and re-arranging soil. However, the subject of hoes can be complex.
A tank has three pipes, X, Y, and Z. X can fill the tank in 8 hours, Y can fill it in 12 hours, and Z can empty it in 6 hours. If X, Y, and Z are opened...
Tap A can fill a tank in 20 hours and tap B can emptied it is 25 hours. Tap A starts filling and they opened for 1 hour each alternatively in what time...
Pipe A and B can fill the pool in 15 minutes and 20 minutes, respectively. Pipe C can empty half filled pool in 6 minutes. If all the pipes are opened t...
Three pipes A, B, and C can fill a tank in 15 hours, 20 hours, and 25 hours respectively. All three pipes are opened together, but after 4 hours, pipe C...
Pipe ‘A’ can fill a 210-litre tank in 21 hours. If pipe ‘A’ is 25% more efficient than pipe ‘C’ whereas pipe ‘B’ is 50% more efficient t...
Pipe A and Pipe B together can fill the tank in 10 hours. The capacity of the pipe A is 30% of the capacity of the pipe B. How much time will pipe B alo...
In what time would a Cistern be filled by three pipes whose diameter are 2cm, 2 2/3cm and 4cm running together, where the largest pipe alone fill it in ...
Two pipes, X and Y, can individually fill a tank in 50 minutes and 25 minutes respectively. If both pipes are opened simultaneously, after how much time...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 7 hours while pipe ‘C’ takes 40 hours to empty it. ...
A pipe can fill a tank in 18 minutes, while another can empty it in 27 minutes. If both pipes are opened simultaneously, how long will it take to fill t...
