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IBPS Clerk Prelims Model Paper 18
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© examsnet.com
Question : 63
Total: 100
A thief is stopped by a policeman from a distance of 450 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 7 km/h and that of policeman as 12 km/h, how far the thief would have run, before he is overtaken?
504 metres
756 metres
378 metres
630 metres
None of these
Validate
Solution:
Both ran for the same time t.
Distance covered
Distance covered = 12t — 7t
450
100
= (12 - 7) t
t =
450
5
×
1000
=
90
1000
hours
=
90
×
60
1000
= 5.4 min
Distance covered by thief = 7t
= 7 ×
5
18
× 5.4 × 60
= 35 × 0.3 × 60
= 630 metres
© examsnet.com
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