Answers

2014-02-28T12:31:36+05:30
2.5cm : 50km.
=(2.5cm x4) : ( 50km x 4)
=10cm : 200km

the distance will be 200km
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2014-02-28T14:40:28+05:30
20000000 is the answer. This comes under ratio and proportion chapter
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