Question: Q1 = (*do not write in this box*) A natural number n with even number of digits is called heavy if the number formed with

Q1 = (*do not write in this box*) A natural number

Q1 = (*do not write in this box*) A natural number n with even number of digits is called heavy if the number formed with the first half of the number is the quarter of the number formed with the second half of digits. For example, for the number 1040 is heavy, since 10 is the quarter of 40. How many positive natural numbers, between 10' and 10 -1, are heavy

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