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 o

10 students are to be seated in two rows equally for the Mock test

1.	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 o
A.	2775600
B.	125600
C.	7257600
D.	1200560
Answer» D. 1200560