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Get Answers to all your Questions
- Home
- Engineering
- If
If then the no. of elements in the set
and
is not one-one is............
Option: 1 15
Option: 2 16
Option: 3 18
Option: 4 19
Answers (1)
Let say a has image 2 then b and c both should have single image 1/3/4, Total selection will be 3
If a has option to choose 1/3/5 then b and c have only one option 2 Total selection will be 3
Here if we rearrange a,b c it has 3 option so total number of ways is 3 X ( 3 + 3) = 18
Now if a b c has one option as 2
Total selection is 18 +1 = 19.
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