Question

The speed of boat ‘M’ in still water is double the speed of boat ‘N’. The two boats are 360 km apart on a river and move towards each other at the same time. If they meet after 6 hours, what is the speed of boat ‘N’ in still water?

A 18 km/h
B 20 km/h
C 24 km/h
D 10 km/h
E None of these
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