engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Speed Time and Distance Relative Speed
Train X and Train Y are 100 km apart from each other and they start moving towards each other at the same time. The speeds of train X and speed of train Y are 20 km/h and 5 km/h respectively. After how many hours of moving will they be at a distance of 25 km?
1
5 hours
2
6 hours
3
8 hours
4
3 hours