The arithmetic mean of the nine numbers in the given set {9,99,999,........999999999} is a 9 digit number N, all whose digits are distinct, The number N does not contain the digit

0

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2

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5

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9

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Solution

The correct option is A 0

For given question
am=9+99+999....+9999999999
=9(1+11+111+...+1111111111)9
=1+11+111+...111111111
Now 1+11=12,1+11+111=123,1+11+111+1111=1234
Similarity
AM=123456789.
Hence AM does not contain 0 as one of its digit
Hence option (A) is correct

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The arithmetic mean of the nine numbers in the given set {9,99,999,........999999999} is a 9 digit number N, all whose digits are distinct, The number N does not contain the digit

The correct option is A 0 For given question am=9+99+999....+9999999999=9(1+11+111+...+1111111111)9=1+11+111+...111111111Now 1+11=12,1+11+111=123,1+11+111+1111=1234Similarity AM=123456789.Hence AM does not contain 0 as one of its digit Hence option (A) is correct

The correct option is A 0

For given question
am=9+99+999....+9999999999
=9(1+11+111+...+1111111111)9
=1+11+111+...111111111
Now 1+11=12,1+11+111=123,1+11+111+1111=1234
Similarity
AM=123456789.
Hence AM does not contain 0 as one of its digit
Hence option (A) is correct