Question
How many boxes are placed above B?
Study the following information carefully and answer the below questions.  Nine boxes – A, B, C, D, E, F, G, H and I are placed in a shelf from top to bottom. Only two boxes are kept between D and G where G is placed above D. Only one person sits between E and D. Box F is three places above G. No box is placed above F. Only three boxes are placed between A and I, and A is not an immediate neighbor of D. H is placed immediately above E. Box C is kept at third position either from top or bottom.Solution
Only two boxes are kept between D and G where G is placed above D. Only one person sits between E and D. Here we get two cases, Case 1 and Case 2. Case-1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â case-2
Box F is three places above G. No box is placed above F.
Only three boxes are placed between A and I, and A is not an immediate neighbor of D.
H is placed immediately above E. Box C is kept at third position either from top or bottom. Here Case 1 gets eliminated and the final arrangement is, 
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