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Symbiosis National Aptitude Test SNAP 2014 Paper
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© examsnet.com
Question : 32
Total: 150
On a journey across Kolkata, a taxi averages 40 kmph for 60% of distance, 30 kmph for 20% of the distance, and 10 kmph for the remainder. The average speed of the whole journey is
25 kmph
26 kmph
24 kmph
30 kmph
Validate
Solution:
Let total distance be d.
time taken for 60% distance =
0.6
d
40
=
3
d
200
h
time taken for 20% distance =
0.2
d
30
=
d
150
h
time taken for remaining 20% distance =
0.2
d
10
=
d
50
h
average speed =
d
3
d
200
+
d
150
+
d
150
=
200
×
150
×
50
22500
+
10000
+
30000
=
200
×
150
×
50
62500
= 24 kmph
© examsnet.com
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