How many 4s are present between 1 to 100 ?

• ans is 20
  4,14,24,34,40,41,42,43,44(two 4's),45,46,47,48,49,54,64,74,84,94
• 13 years agoHelpfull: Yes(9) No(0)
• 20
  count all 4s present in numbers...
• 13 years agoHelpfull: Yes(0) No(0)
• no of 4's present from 1 to 10=1
  no of 4's present from 11 to 20=1
  no of 4's present from 21 to 30=1
  no of 4's present from 31 to 40=2
  no of 4's present from 41to 50=10
  no of 4's present from 51 to 60=1
  no of 4's present from 61 to 70=1
  no of 4's present from 71 to 80=1
  no of 4's present from 81 to 90=1
  no of 4's present from 91 to 100=1
  therefore totally=20
  
  
  
  
  
  
  
  
  
  
• 8 years agoHelpfull: Yes(0) No(0)
• Number of times a particular digit (EXCEPT 0) appears in certain range :-
  From 1-9, 1 time
  From 1-99, 20 times
  From 1-999, 300 times
  From 1-9999, 4000 times
• 8 years agoHelpfull: Yes(0) No(0)
• No of 4's in 1- 10= 1
  11-20=1
  21-300=1
  31-40=2
  40-50=10
  51-60=1
  61-70=1
  71-80=1
  81-90=1
  91-100=1
  Total = 20
• 8 years agoHelpfull: Yes(0) No(0)
• 1to100=4,14,24,34,40,41,42,43,44,45,46,47,48,49,54,64,74,84,94
  ans:20
• 8 years agoHelpfull: Yes(0) No(1)