Kamal covers $$\frac{4}{5}$$ of the total distance by train and the remaining 15 km by bus. What is his total journey (in km)?
Let total distance of the journey = $$5x$$ km
Distance covered by train = $$\frac{4}{5}\times5x=4x$$ km
=> Remaining distance = $$5x-4x=x=15$$ km
$$\therefore$$ Total journey = $$5\times15=75$$ km
=> Ans - (B)
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