Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let 
and 
. The number of functions 
from 
to 
such that it is onto and there are exactly three elements 
in 
such that 
is
Text Solution
Verified by ExpertsThe correct answer is:
D
Image 
is assigned to any three of the six pre-images in 
ways.
Rest two images can be assigned to remaining three pre-images in 
ways (as function is onto).
Hence, number of functions are 
.
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