If the number of seven-digit numbers, such that the sum of their digits is even,is mn10^n;m,n€{1,2,9

If the number of seven-digit numbers, such that the sum of their digits is even,is mn10^n;m,n€{1,2,.,.,.9} ,then m+n is equal to
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permutations and combinations
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sequence and series
example of many one function
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types of functions class 12th
One One function
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one one function Kya Hota Hai
one one function kya hai
definition of one one function
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