8. Harish travelled 3 km 430 m by an auto rickshaw and then 5 km 700 m by bus to reach his office
While returning, he travelled 6 km 300 m by metro train and then walked 600 m to reach his hom
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How much less distance did he travel while returning?
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Total distance travelled to reach his office=3×1000+430+5×1000+700
=3000+430+5000+700=9130m
Distance travelled in returning=6×1000+300+600
=6000+900=6900m
Difference in distance=9130-6900=2230m
=2km 230m
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