1. | Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately? |
||||||||||||||||||||||

Answer: Option C Explanation: Let the cistern be filled by pipe A alone in Then, pipe B will fill it in (
( |

Leave a Comment