In T.Nagar the building were numbered from 1 to 100.Then how many 6’s will be present in the numbers?
a)18 b)19 c)20 d)21

• 20 is the answer 10 sixes from 6,16,.......96. and 10 sixes from 60 to 69 . Note that 66 has two sixes but one six has been counted in the first step
• 8 years agoHelpfull: Yes(11) No(2)
• answer is 20,
  
  6 to 56 =6
  61 to 69 =11 ( two in 66)
  76 to 96 =3
  so total is 20
• 8 years agoHelpfull: Yes(4) No(2)
• 21 IS THE ANSWER
  6,16,26,36.46,56,60,61,62,63,64,65,66,67,67,68,69,76,86,96
  
• 8 years agoHelpfull: Yes(1) No(14)
• it will be 19
  6 to 56=six 6
  61 to 69= 10(9+1 coz 2 in 66)
  76 to 96=3
  (6+3+10=19)
• 8 years agoHelpfull: Yes(1) No(0)
• 6 to 56=6
  61 to 69=9
  76 to 96=3
  18
• 8 years agoHelpfull: Yes(0) No(7)
• c)20 sol: how many 6 are there in 1 to 100 the answer is only 20 6 are there
• 8 years agoHelpfull: Yes(0) No(0)
• From 1 to 59 there is 6
  60to 69 there is 11
  70 to 100 there is 3
  Total 20 (6' s)
• 5 years agoHelpfull: Yes(0) No(0)