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© examsnet.com
Question : 10
Total: 40
The average speed of a train in the onward journey is 25% more than that of the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to-and-fro journey is 17hrs, covering a distance of 800 km. What is the speed of the train in the onward journey?
56.25 km/h
47.5km/h
52km/h
45km/h
Validate
Solution:
👈: Video Solution
Total distance covered by the train = 800 km.
Average speed
=
Total
distance
Total
time
=
800
16
= 50 km/hr
Let the speed of the return journey = x
Then speed of onward journey = 1.25x
Now
2
.
x
.1
.25
x
x
+
1.25
x
=
50
x=45
So, the speed of the train in the onward journey = 1.25 × x = 1.25 × 45 = 56.25 km/h.
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