Question :
10 students are to be seated in two rows equally for the Mock test in a room. There are two sets of papers, Code A and Code B. each of two rows can have only one set of paper but different that from other row. In how many ways these students can be arranged ?
1. 2775600
2. 125600
3. 7257600
4. 1200560
Answer :
3 - 7257600
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