Maths The diameter of a well is 7 meters and its depth is 22.5 meters, what will be the cost of plastering its inner surface at the rate of Rs 30 per square metre?
| Q.202221: The diameter of a well is 7 meters and its depth is 22.5 meters, what will be the cost of plastering its inner surface at the rate of Rs 30 per square metre? |
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