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The number of ways in which we can arrange the digits 1,2,3,4,5,6,7,8,9 such that the product of 5 digits at any of the 5 consecutive positions is divisible by 7 is?

The number of ways in which we can arrange the digits 1,2,3,4,5,6,7,8,9 such that the product of 5 digits at any of the 5 consecutive positions is divisible by 7 is?

Grade:12

1 Answers

Vedant
35 Points
4 years ago
There is only one way to do so which is putting 7 in the middle
 
Regards Vedant

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