Question

A car travels 135 km in 3 hours and a train travels 170 km in 2 hours. Find the ratio of their
speeds.
Distance travelled
Hint : Speed
Time taken
​

Answer 1

Answer:

ANSWER

Let the distance travelled at 100 km/hr be x km.

Then, distance travelled at 50 km/hr is (170 - x) km.

Given,

100

x

+

50

(170−x)

=2

⇒

100

x+2(170−x)

=2⇒x+240−2x=200

⇒x=140km.

∴ Distance travelled at 50 km/hr =(170−140)km=30km