Question

हाउ मेनी सेवेन डिजिट नंबर आर देयर इन ऑल​

Answer 1

Answer:

There are 9000000 seven digit numbers exist. So, total number of 7 digit numbers( =9999999- 1000000+ 1) 9000000 numbers 4500000 are having the sum of digits as even and the remaining 4500000 are having the sum of digits as odd.

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