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SSC CGL Tier 2 Exam 12 Jan 2017 Paper 1
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© examsnet.com
Question : 45
Total: 100
A man travels some distance at a speed of 12 km/hr and returns at a speed of 9 km/ hr. If the total time taken by him is 2 hrs 20 minutes the distance is
35 km.
21 km.
9 km.
12 km
Validate
Solution:
(4) Let the required distance be x km.
Time = 2 hours 20 minutes
=
2
1
3
hours
According to the question,
x
12
+
x
9
=
7
3
⇒
3
x
+
4
x
36
=
7
3
⇒
7
x
36
=
7
3
⇒
x
=
7
3
×
36
7
=
12
km.
© examsnet.com
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