10 digit No.
1st digit = No. of zeros in the number
2nd digit = No. of 1s in the number

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10 th digit = No. of 9s in the number

• 6210001000
• 9 years agoHelpfull: Yes(0) No(0)
• 8000000010
  no of zero =8
  9th digit is 1 means no of 8 is 1
• 9 years agoHelpfull: Yes(0) No(0)
• Simple
  Tenth digit no. Of zero in the number...let all number r zero except the 1st one
  So
  9000000000
  
• 9 years agoHelpfull: Yes(0) No(1)