Question

Out of 1900 km Vishal travelled some distance by bus and some by aeroplane.Bus travels with average speed 60 km/hr and the average speed of aeroplane is 700 km /hr. It take 5 hours to complete the journey. Find the distance,Vishal travelled by bus.
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Answer 1

Answer:

150 km

Step-by-step explanation:

let he travells x km by bus

then he travels 1900-x by plane

x/60 + 1900-x /700 = 5

lcm

700x+114000-60x = 5*700*60

640x=210000-114000

640x= 96000

x= 150 km