[" 15) Three pipes "A,B" and "C" can fill a tank in "6" hours.After working together for "2" hours,"C" is closed and "],[A" and "B" can fill the remaining part in "7" hours.The number of hours taken by "C" alone to fill the tank is "-],[[10/12/14/16]]

Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. number of hours taken by C alone to fill the tank is 10 b. 14 c. 12 d. 16

Pipes A and B can fill a tank in 36 hours and 48 hours, respectively. Both pipes are opened together for 9 hours and then A is closed. Pipe B alone will fill the remaining part of the tank now in:

If a pipe can fill a tank in x hours: then part filled in 1 hour.

Pipes A, B and C together can fill a cistern in 12 hours. All the three pipes are opened together for 4 hours and then C is closed. A and B together take 10 hours to fill the remaining part of the cistern. C alone will fill two-thirds of the cistern in:

If 4 taps can fill a tank in 10 hours, then in how many hours can 6 taps fill the same tank ?