A Train covers a certain distance at a speed of 120 kmph in 10 hours . To cover twice the distance in 313 hours, it must travel at a speed of:
Explanation:
Distance = (120 ×10) = 1200 km.
Speed = Distance/Time
Speed = 2400/(10/3) km/hr
⇒ Required speed =2400 × 3/10km/hr= 720 km/hr.
Hence, option (b).
» Your doubt will be displayed only after approval.
Help us build a Free and Comprehensive Preparation portal for various competitive exams by providing us your valuable feedback about Apti4All and how it can be improved.