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Start learning 50% faster. Sign in nowWe Have, At most two boxes are kept below box U. Three boxes are kept between R and the box which is kept immediately above box U. Again we have, W is kept two boxes above box R. Two boxes are kept between W and S.
Case-III gets eliminated because no space left for W. Again we have, Box Z is kept immediately below box X. Box Y is kept three boxes below box X. Box T is kept above box V. Case-I gets eliminated because no space left for X and Y. So final arrangement is Case-2
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