A vehicle runs at the speed of 40km/h with some regular intervals and takes 3 hours to cover a distance of 90 km. Find the time taken by it to cover 120km with an average speed of 60km/h
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correct ✅✔☑ answer is 2 hours.
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150 men can dig a canal which is 3000 m long in 18 days. find the length of the canal that can be dug by 300 men in 12 days
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