which of 123,77,82,161,109  would end with digit 1  ??????

No.s ending with 1 and 9 have 1 in their squares,so, 1612and 1092 would end with digit 1.
 

  • 4
161
  • 1
161

 
  • -1
All
  • 1
161
  • -1
What are you looking for?