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Q. A locomotive requires an energy of E units per second, when it travels at a speed of s m/sec. If E = s3 – 20s2 + 124s, find the maximum possible distance that the locomotive can travel, given that it has a total energy supply of 72 × 105 units.

216 km

256 km

300 km

360 km

 

asked by Rajat Gupta

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