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How many times does the digit 3 occurs at tens place in natural numbers from 100 to 1000 |
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Answer» Answer: Number of ways X can be filled = 9 (1–9 numbers EXCLUDING 0 as it is a 3 DIGIT number). So, number of times 3 OCCURS in ten's and unit's place from 100 to 1000 = 90+81 = 171 |
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