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I'hA 30 m deep well is having water upto 15 m. Anengine evacuates it in one hour. The power of the10engine, if the diameter of the well is 4 m is |
| Answer» I'hA 30 m deep well is having water upto 15 m. Anengine evacuates it in one hour. The power of the10engine, if the diameter of the well is 4 m is | |