state gov WBPSC Clerkship Mock Test 2023 - 24 Quantitative Aptitude Speed Time and Distance Partial Speed
A train having length 210 metres takes 25 seconds to cross a 540 metres long bridge. How much time will the train take to cross a 630 metres long bridge?
1
20 seconds
2
28 seconds
3
32 seconds
4
24 seconds