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7 people go to cinema .Input their cinema by their own bike .Input their keys in a bag .After completation of cinema only three of them start their bike how many ways this can be done

7 people go to cinema .Input their cinema by their own bike .Input their keys in a bag .After completation of cinema only three of them start their bike how many ways this can be done 

Grade:12th pass

1 Answers

Vikas TU
14149 Points
3 years ago
Hiiii Manish 
Can you please Try to understand me what is this Input , or just upload the image of question, i will provide you the solution. I am not able to understand question.
 

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