Question
A bus was travelling at 55 km/hr. After ‘x’ hours, its
speed increased by 12 km/hr and it continued for (x + 6) hours. If it covered 612 km in these (x + 6) hours, calculate the distance travelled in the first ‘x’ hours.Solution
ATQ,
67 × (x + 6) = 612
Or, x + 6 = 9.13
Or, x = 3.13
Therefore, required distance travelled = 55 × 3.13 = 172.15 km
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