Question

there are four doors in lotus temple. in how many ways can a person enter the temple and leave by a diffrent door​

Answer 1

Answer:

16

Step-by-step explanation:

Suppose that a person enters from 1st door and exits from different doors

1,1

1,2

1,3

1,4

Similarly, through each door, there are 4 possible ways

4 × 4 = 16 ways

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Answer 2

Answer:

12

1,2

1,3

1,4

4×3= 12 ways