All the whole numbers from 1 to 100 are written in a row next to each other. How many 7s are there in the formed number?

Jacole asked Aug 21, 2022

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35 votes

Jacole asked Aug 21, 2022

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17 votes

7, 17,27,37,47,57,67,70,71,72,73,74,75,76,77(27’s in this one),78,79,87,97
20 7’s in 1-100

Weirdgyn answered Aug 24, 2022

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