Question

Two buses travel to a place at 45 km/hr and 60 km/hr respectively. If the second bus takes 51/2 hours less than the first for the journey, the length of the journey is:

A) 900 km B) 940 km C) 990 km D) 1300 km

Answer 1

Step-by-step explanation:

Let the length of the journey be x km.

Then,

45x−60x=211⇒1804x−3x=211⇒180x=211

⇒x=211×180=990km

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