RANKING :
First of all, we do,
Read the statement line by line carefully.
Position can be either side of row and rank is top to bottom of a row.
Rank of a person from lower – total persons in the row - rank of that person from upper+1
Rank of a person from right = total persons in the row- rank of that person from left + 1
Rank of a person from upper = total persons in the row - rank of that person from lower + 1
Rank of a person from left = total persons in the row- rank of that person from right+ 1
The total person in row = rank of a person from the upper/ left + rank of a person from lower/right – 1
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