Question

a bus
take 48 minutes to cover a certain distance and travelling at a speed of 50 km per hour how much time will it take to cover the same distance and travelling at a speed of 30 kilometre per hour​

Answer 1

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Speed = 50km/hr = 50/60 km/min = 5/6 km/min

Time taken by bus to cover distance = 48min

Distance = speed × Time

= 48 × 5/6 = 8×5 = 40km

Therefore, time it'll take to cover 40km at 30km/h = Distance/speed

= 40/30 hours = 4/3 hours = 4/3 × 60 minutes
= 4×20 minutes = 80minutes.

Answer → It will take 80 minutes for bus to cover same distance with speed of 30km/h.
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