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Time and Distance Practice Test 3 with solutions
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© examsnet.com
Question : 37
Total: 40
The average speed of a train in the onward journey 25% more than that in the return journey. The train halts for one hour on reacting the destination. The total time taken for the complete to and fro journey is 17 hours, covering a distance of 800 km. What is the speed of the train in the onward journey?
56.25 km/hr
52 km/hr
47.5 km/hr
45 km/hr
Validate
Solution:
Let the speeds of return journey and onward journey be x and
x
×
125
100
=
5
x
4
km/hr, then
4
×
400
5
x
+
400
x
= 17 - 1
⇒
320
+
400
x
= 16
∴ x =
720
16
= 45 km/hr
Hence, speed of onward journey =
5
×
45
4
=
225
4
= 56.25 km/hr
© examsnet.com
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