4000 लोकसंख्या असलेल्या काझीपेठमध्ये दररोज 9 लीटर पाणी लागते. तेथे 15 मीटर × 8 मीटर × 6 मीटर घनफळाची घनाभरूप टाकी आहे. टाकी पाण्याने भरलेली असेल तर या टाकीचे पाणी किती दिवस पुरेल?

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RRC Group D Previous Paper 3 (Held On: 19 Sep 2018 Shift 1)
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  1. 25 दिवस
  2. 30 दिवस
  3. 10 दिवस
  4. 20 दिवस

Answer (Detailed Solution Below)

Option 4 : 20 दिवस
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Detailed Solution

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⇒ काझीपेठमधील एकूण पाण्याचा 1 दिवसाचा वापर = 4000 × 9 = 36000 लीटर

⇒ घनाभरूप टाकीची मात्रा = 720 m3 = 720 × 1000 लिटर = 720000 लीटर

∴ पाणी उपलब्ध असलेल्या दिवसांची संख्या = 720000/36000 = 20 दिवस

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