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IBPS Clerk Mains 2017 Paper
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© examsnet.com
Question : 89
Total: 178
A train running at 25 km/hr takes 18 seconds to pass a platform and it takes 12 seconds to pass a men walking at 5 km/hr in the opposite direction. Length of train in how much more than length of the platform (in m)
50
75
100
125
150
Validate
Solution:
(b) Let, length of train = x m
And length of platform = y m
ATQ
25
×
5
18
=
x
+
y
18
⇒
x
+
y
=
125
.
.
.
(
i
)
And,
(
25
+
5
)
×
5
18
=
x
12
⇒ x = 100 ... (ii)
On solving (i) & (ii)
y = 25
Required difference = 100 – 25 = 75
© examsnet.com
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