3166. A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the ‘carpet loss’. The carpet loss may be of the order of __________ cms.

1 to 2
3 to 4
5 to 15
20 to 40
✅ The correct answer is option C.

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