A man perform 2/15 of the total journey by rail, 9/20 by tonga and the remaining 10 km on foot. This total journey is?

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Accepted Answer

Let the total journey be x km. then, 2x/15 + 9x/20 + 10 = x ⇒ 8x + 27x + 600 = 60x ⇒ x = 24 ∴ Total journey = 24 km.

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