8. A man walks a distance of 5 km in 2 hours. Then he goes in a bus to a nearby
town, which is 40 km, in further 2 hours. From there, he goes to his office in an
autorickshaw, a distance of 5 km, in 1/2. What was his average speed during the
whole journey?
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Answer:
Distance of 5km travelled on foot in 2 hours.
Distance of 40km travelled by bus in 2 hours.
Distance of 5km travelled by Rickshaw in
2
1
hour.
Total distance covered=5+40+5=50km
Time taken=2+2+
2
1
=4
2
1
=
2
9
hours
∴Average spees=
Time
Distance
=
2
9
50
=
9
100
=11
9
1
kmph
Step-by-step explanation:
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