Grade 12Algebra
how many 6 digit numbers are there in which sum of digits is even
how many 6 digit numbers are there in which sum of digits is even
1 Answer
Harsh Patodia
Find total 6 digit numbers which will be 9*10*10*10*10*!0
9*105
Now half of the numbers will be odd and half of them will be even as for any 2 consecutive numbers 1 is having sum of digits even and other odd. You can check it for first 20 numbers.
9*105
Now half of the numbers will be odd and half of them will be even as for any 2 consecutive numbers 1 is having sum of digits even and other odd. You can check it for first 20 numbers.
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algebra
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