0 votes 0 votes Two boats, travelling at $5$ and $10$ kms per hour, head directly towards each other. They begin at a distance of $20$ kms from each other. How far apart are they (in kms) one minute before they collide? $1/12$ $1/6$ $1/4$ $1/3$ Quantitative Aptitude cat2004 quantitative-aptitude speed-distance-time + – go_editor asked Jan 12, 2016 • edited Mar 30, 2022 by Lakshman Bhaiya go_editor 13.9k points 753 views answer comment Share See all 0 reply Please log in or register to add a comment.
2 votes 2 votes The boats together travel 10 + 5 = 15 km in 60 minutes. In one minute they can travel=$\frac{60}{15}=\frac{1}{4}$km They are $\frac{1}{4}$ km apart,one minute they collide Hence,Option (3)$\frac{1}{4}$ is the correct choice. Leen Sharma answered Jun 11, 2016 Leen Sharma 11.5k points comment Share See all 0 reply Please log in or register to add a comment.