"A journey of 192 km between two cities takes 2 hours less by a fast train than by a slow train.
Channel: Doubtnut
Date: 2020-04-05

"A
 journey of 192 km between two cities takes 2 hours less by a fast train than
 by a slow train. If the average speed of the slow train is 16 km/hr less than
 that of the fast train, then the average speed of the fast train is 
`32\ k m//h r`
b. `48\ k m//h r\ `
c. `36\ k m//h r`
d. `64\ k m//h r`"