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You have 10 positive integers that each have d digits. What is minimum number of digits the sum will have in terms of d?

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You have 10 positive integers that each have d digits. What is minimum number of digits the sum will have in terms of d?
posted Oct 16, 2018 by anonymous

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2 Answers

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If d=2, Then minimum Sum is possible only when 10 is added 10 times
ie., sum = 10×10 = 100. Therefore number of digits of the smallest sum for d=2 in terms of d is (d + 1).

answer Oct 16, 2018 by Tejas Naik
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The answer is d + 1

answer Oct 20, 2018 by anonymous
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