SATHEE: Functions Question 476

Functions Question 476

Question: Let $ n(A)=4 $ and $ n(B)=6. $ The number of one to one functions from A to B is

Options:

A) 24

B) 60

C) 120

D) 360

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Required number of one to one functions $ {{=}^{6}}P_4 $ $ =6\times 5\times 4\times 3=360 $

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Functions Question 476

Question: Let $ n(A)=4 $ and $ n(B)=6. $ The number of one to one functions from A to B is

Options:

Answer:

Solution:

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