Respuesta :

There are 7 numbers

Calculate sum of digits of all numbers

  • 331=3+3+1=7
  • 482=4+8+2=14
  • 551=5+5+1=11
  • 263=2+6+3=11
  • 383=3+8+3=14
  • 362=3+6+2=11
  • 284=2+8+4=14

We observe that

[tex]\\ \sf\longmapsto 482\sim383\sim284[/tex]

[tex]\\ \sf\longmapsto 551\sim263\sim362[/tex]

  • 331 is odd one

Option C