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प्रश्न
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The fuel cost per hour for running a train is proportional to the square of the speed it generates in km per hour. If the fuel costs ₹ 48 per hour at a speed of 16 km per hour and the fixed charges to run the train amount to ₹ 1200 per hour. Assume the speed of the train as v km/h. |
The total cost of the train to travel 500 km at the most economical speed is:
विकल्प
₹ 3750
₹ 75000
₹ 7500
₹ 15000
MCQ
उत्तर
₹ 15000
Explanation:
Total cost for running 500 km = `375/4 "v" + 600000/"v"`
= `(375 xx 80)/4 + 600000/80`
= ₹ 15000
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