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AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

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Question : 71

Total: 160

If the petrol burnt in driving a motor boat varies as the cube of the velocity, then the speed (in km/hour) of the boat going against a water flow of C kms/hour so that the quantity of petrol burnt is minimum is

2C
3
3C
2
4C
3
3C
4

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