If a number is cubed, which of the following number will be a unit digit ?
option
A. 5
B. None
C. 4
D. Any number from 0-9
E. 7

• any no. cube unit digit may be 0 to 9
  ans =d
• 11 years agoHelpfull: Yes(3) No(0)
• Any number from 0-9
  Unit of cube
  (2)^3=8
  (3)^3=7
  4^3=24
  
• 9 years agoHelpfull: Yes(2) No(0)
• 5*5*5=125 i.e unit digit is 5
  4*4*4=62 i.e unit digit is 4
  but 3*3*3 is 27 i.e 7 in unit digit
  hence either 5 or 4
• 10 years agoHelpfull: Yes(0) No(3)
• D is answer
• 7 years agoHelpfull: Yes(0) No(0)