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RRB Assistant Loco Pilot and Technician Model Paper 9 with solutions
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© examsnet.com
Question : 7
Total: 100
A man walks half of the journey at 4 km/h by cycle does one third of journey at 12 km/h and rides the remainder journey in a horse cart at 9 km/h, thus completing the whole journey in 6 hours and 12 minutes. The length of the journey is 9 Time: 90 minutes
36 km
39 km
40 km
28 km
Validate
Solution:
(a) Let the length of the journey = x km.
∴ Journey rides by horse cart
= x
(
1
−
1
2
−
1
3
)
=
1
6
x
km
Then, total time taken to complete journey =
31
5
hr
⇒
t
1
+
t
2
+
t
3
=
31
5
⇒
x
2
×
1
4
+
x
3
×
1
12
+
x
6
×
9
=
31
5
⇒
x
=
31
5
×
216
37
= 36.2 km ≈ 36 km
© examsnet.com
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