Question

challenge to all maths Aryabhatta,brainly teacher and moderator.
a) use the digit 1 to 9 to make three 5 digit number which add up to 9,99,999
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Answer 1

Answer:

There are 1 billion 9 digit numbers (000,000,000 through 999,999,999). There are 45 different combinations of two different numerals (10 x 9 divided by 2). There are 512 (2 to the 9th power) different permutations for any two numbers to be used in a 9 digit number......

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Answer 2

There can be many possible numbers,

Some of them are:

• 56457, 11231 and 32311
• 43213, 25654 and 31132
• 53311, 25267 and 21421
• 71171, 11711 and 17117
• 23423, 55264, 21312

These are very few combinations, there can be many more such combinations.