13. The ratio between the speed of a truck, car and
train is 2: 7: 11. The car moved uniformly and
covered a distance of 1190 km in 17 hours. What
is the average speed of the truck and the train
together?
1] 75km/hr 2] 65 km/hr 3] 48 km/hr
4] Cannot be determined
5] None of these
Answers
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Step-by-step explanation:
speed of car is.
1190/17
=70km/hr
tgus 7=70
speed of truck 2=20km/hr
and train = 11=110km/hr
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