engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Speed Time and Distance Boat and River
A boat takes 3 hours upstream to reach a pole 45 km away. If the speed of the stream is 7.5 km/hr, in how much time will it return back?
1
1 hr.
2
1.5 hrs.
3
2 hrs.
4
2.5 hrs.