Mathematics
Write (i) the greatest number of 6 digits (ii) the smallest number of 7 digits. Also find their difference.
Number System
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Answer
(i) The greatest number of 6 digits is formed by placing the largest digit (9) in all six positions.
The greatest 6-digit number = 9,99,999.
(ii) The smallest number of 7 digits is formed by placing the smallest non-zero digit (1) at the highest place and 0s in all the remaining positions.
The smallest 7-digit number = 10,00,000.
Difference = 10,00,000 - 9,99,999 = 1.
Hence, the greatest 6-digit number is 9,99,999, the smallest 7-digit number is 10,00,000, and their difference is 1.
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