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Consider a function which, for a given whole number n,
returns the number of ones required when writing out all
numbers between 0 and n. For example, f(13)=6. Notice that
f(1)=1. What is the next largest n such that f(n)=n?
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Answer Posted / suman
f(2) = 1
f(20)= 12
f(200) = 140
f(2000) = 1600
f(20000) = 18000
f(200000) = 200000
200,000 is the answere
| Is This Answer Correct ? | 0 Yes | 6 No |
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