UPSC Civil Services 2011 Prelims General Studies Paper II

Distance covered by a bus in 4 hours = 160 km.
∴ Distance covered by a bus in 1 hour
=

160

4

=40‌km
Further, Distance covered by a train in 5 hours = 320km
∴ Distance covered by a train in 1 hour
=

320

5

=64‌km
Required ratio =

40

64

=

5

8

=5:8