Q282
A journey of 192 km between two cities take 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, the average speed of the fast train is :
A.
32 km/hr
B.
36 km/hr
C.
48 km/hr
AnswerD.
64 km/hr
Answer: Option C
Solution
Answer: Option C
Solution:
Let the speed of the fast train be x km/hrThen, speed of the slow train = (x - 16) km/hr