how to find multiple of a digit

[imranam]

Hi everyone
Please guide how to solve the following question.

Multiples of 7 are written next to each other 714212835.......... how can we find the 2020th digit.

 

[Dr.Peterson]

Hi everyone
Please guide how to solve the following question.

Multiples of 7 are written next to each other 714212835.......... how can we find the 2020th digit.

What have you tried?

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A key to this might be to consider how many multiples of 7 have 1, 2, 3, 4, ... digits, and think about how many digits have been used up when you move to a new number of digits. There will be several steps to the process, and probably several somewhat different ways to carry out the details. Have fun, then show us where you get stuck, if at all.