Q.

Statement-I    The function which is not an onto is called many to one. 

Statement-II     If n(A)=6, then the number of bijective functions from set ' A ' to itself is 720 .

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a

  Statement I is True, Statement II is False
 

b

Statement I is True, Statement II is True

c

 Statement I is False, Statement II is False

d

  Statement I is False, Statement II is True

answer is D.

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Detailed Solution

Statement (A):  The function which is not an onto is called into.

Statement (B): number of bijective functions are  n(A)!  or   n(B)!

6!=6×5×4×3×2×1=720  

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