Latest TCS Aptitude Question SOLUTION: assume that rate of consumption of coal by an engine varies as the square of the speed and is 1000 kg/hr when the speed is 60 km/hr.,when in motion. if the coal costs the railway c

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assume that rate of consumption of coal by an engine varies as the square of the speed and is 1000 kg/hr when the speed is 60 km/hr.,when in motion. if the coal costs the railway company rs 15 per 100 kg and the other expenses of running the train is rs 12 per hour, find a formula for the cost in paise per km when the speed is s km per hour.
a)(1200/s)+(25s/6)
b)(1200/s)+(25s^2/6)
c)(1200/s)+(5s^2/18)
d)none

Asked In TCS Aastha (9 years ago)

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