Question

Out of a total distance of 280 km, Golu covers some part by bus, whose speed is 40 km/h, while the remaining part by car, whose speed is 20 km/h. If total time taken by Golu is 10 hours, then find the distance covered by Golu by bus.

A 160 km
B 120 km
C 140 km
D 180 km
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