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An open tank 15 m long, 12 m wide and 5 m deep is to be constructed with the help of a stainless-steel sheet which is 1.5 m in
width. What length (in m) of the sheet will be required?
350
450
250
300
- The tank has an open top and requires sheets for the bottom and four sides.
- Bottom surface area: 15 m × 12 m = 180 m².
- Side facing length: 2 sides of 15 m × 5 m = 150 m².
- Side facing width: 2 sides of 12 m × 5 m = 120 m².
- Total sheet area: 180 m² + 150 m² + 120 m² = 450 m².
- Each sheet has a width of 1.5 m.
- Needed sheet length: 450 m² / 1.5 m = 300 m.
Answer: Option 4 (300 m) is indeed correct.
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