In a particular city there are 100 homes numbered from 1,2,3,..,100. The city was build by a builder from Chennai. There was 4 to 5 shops in the town which was build by a builder from Mumbai. The 2nd builder can build in 1½ times as compared to time by 1st builder. The 2nd builder builds in 15 days, then how many 2's are used by the builder from Chennai in
numbering the 100 homes?
(a) 17 (b) 18 (c) 19 (d) 20

• the ans is 20
• 13 years agoHelpfull: Yes(5) No(2)
• every no. except 1 comes 20 times b/w 1 and 100 coz 1 comes 21 times(in 100 also)
  so ans is 20.............. paras_it_niet
• 13 years agoHelpfull: Yes(1) No(1)
• 19 bcz number is used 20 times but for homes 19.like 2 no. is used one time in 22 homes .
• 13 years agoHelpfull: Yes(1) No(2)