Question
Two trucks ‘M’ and ‘N’ started simultaneously
from cities ‘X’ and ‘Y’ respectively towards each other. When they met after 9 hours, truck ‘N’ had travelled 144 km more than truck ‘M’. How much distance did truck ‘M’ travel in 6 hours if the total distance between X and Y is 624 km?Solution
ATQ,
Let distance travelled by truck ‘M’ at the time of meet = x km
So, distance travelled by truck ‘N’ at the time of meet = x + 144 km
According to question;
x + x + 144 = 624
Or, 2x = 480
Or, x = 240
Distance travelled by truck ‘M’ in 9 hours = 240 km
Speed of truck ‘M’ = 240 / 9 = 26.67 km/h
Distance travelled by truck ‘M’ in 6 hours = 26.67 × 6 = 160 km
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