how many 2 r in 4 digit no?

• Number of 2's at unit place(1000 to 9999)= 900
  Number of 2's at tenth place = 900
  Number of 2's at hundreds place = 900
  Number of 2's at thousand place = 1000
  so total will be=(900+900+900+1000) = 3700
• 11 years agoHelpfull: Yes(29) No(4)
• 9*10*10*10-8*9*9*9
  (all four digits number)-(all numbers excluding 2)
• 11 years agoHelpfull: Yes(4) No(5)
• i.e=9000-5832=3168
• 11 years agoHelpfull: Yes(4) No(2)
• Total 3700 number of 2's are there :D
• 11 years agoHelpfull: Yes(0) No(2)
• 2914...........
• 11 years agoHelpfull: Yes(0) No(1)
• sorry...2693
• 11 years agoHelpfull: Yes(0) No(1)
• No of 2's in ones place =900
  No of 2's in tens place =900
  No of 2's in hundred place =900
  No of 2's in thousand place =1000
  total = 900+900+900+1000= 3700
• 11 years agoHelpfull: Yes(0) No(1)