He has to cycle 7.28 km.
First of all Raja cycled 5 km southward then turned left and cycled 2km and turned left again and cycled 3km.then he turned right and cycled 5km.
Let us draw a diagram basis the given situation.
Let us join D with F. Hence, we have
EF = 7 km
AF = 2 km
Using Pythagorous theorem, we have
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