| Question | Two pipes can fill a tank in 10 and 14 minutes respectively. A third pipe can empty the tank at the rate of10 liters/minute. If all the pipes working together can fill the empty tank in 8 minutes,what is the capacity of the tank? | |
| Type | multiple_choice | |
| Option | 210 liters | incorrect |
| Option | 215.4 liters | correct |
| Option | 220 liters | incorrect |
| Option | 225.4 liters | incorrect |
Part of the tank filled by two pipes in one minute = 1/10 + 1/14
10 liters is emptied in 1 minute
X liters will be emptied in X/10 minutes
In X/10 minutes the whole tank will be emptied.
In one minute 10/X part of the tank will be emptied.
As per question;
