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SSC CHSL 6-March-2018 Shift 3 Paper
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© examsnet.com
Question : 16
Total: 100
A bus moves at a speed of 84 km/hr after repairing and moves at a speed of 56 km/hr before repairing. It covers 2x distance in 8 hours after repairing. How much time (in hours) will it take to cover x distance before repairing
8
5
6
9
Validate
Solution:
Speed of bus after repairing = 84 km/hr
Distance covered in 8 hours after repairing = 2x km
Using, speed = distance/time
⇒
84
=
2
x
8
⇒
x
=
84
×
4
=
336
km
Speed of bus before repairing = 56 km/hr
Now, time taken (in hours) to cover 336 km before repairing =
336
56
=
6
© examsnet.com
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