when a group photograph is taken ,all the seven teachers
should be in the first row and all the twenty students
should be in the second row .if two corners of the second
row are reserved for the two tallest students ,
interchangeable only between them and if the middle seat of
the front row is reserved for the principal , how many
arrangements are possible?
Answer Posted / hari
27
Is This Answer Correct ? | 0 Yes | 9 No |
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