Nora boards a train to reach her hometown, which is 1400 km away. She boards the train at 9 a.m. and covers the journey in 10 hours. Find at what time she reaches her hometown and the speed of the train.
A
Time: 8 p.m.; Speed: 140 kmph
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Time: 7 p.m.; Speed: 140 kmph
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Time: 9 p.m.; Speed: 100 kmph
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Time: 8 p.m.; Speed: 70 kmph
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B Time: 7 p.m.; Speed: 140 kmph Total distance = 1400 km
Time taken = 10 hours
Speed x Time = Distance
Speed = DistanceTime,
i.e., 140010 = 140 kmph
Thus, the speed of the train is 140 kmph.
Nora boards the train at 9 a.m. and covers the distance in 10 hours.