0 votes 0 votes It takes two hours for a person $X$ to mow the lawn. $Y$ can mow the same lawn in four hours. How long (in minutes) will it take $X$ and $Y,$ if they work together to mow the lawn$?$ $60$ $80$ $90$ $120$ Quantitative Aptitude gate2019-ee numerical-ability work-time + – Arjun asked Feb 12, 2019 retagged Mar 10, 2021 by Lakshman Bhaiya Arjun 15.9k points answer comment Share See all 0 reply Please log in or register to add a comment.