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Plus operator insertion (Posted on 2021-05-03) Difficulty: 2 of 5
How many ways are there to insert plus signs + between the digits of number 111111 ...111 which includes thirty of digits 1 so that the result will be a multiple of 30?

No Solution Yet Submitted by Danish Ahmed Khan    
Rating: 3.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
thankfayolaa mary2021-06-22 01:31:30
SolutionsolutionCharlie2021-05-03 08:52:43
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