If ravi binded his book and the binder cut the pages of the book , ravi decided to mark the pages by himself own , what he found that number of three
appears 76 times. Find of number of pages.

• 3 will appear 20 times from 1 to 100.
  3 will appear 20 times from 101 to 200.
  3 will appear 20 times from 2011 to 299.
  total 60 times upto 299.
  from 300 to 313 ... 14+1 (addl from 303)+1(addl from 313)..16 times.
  
  so total 76 times upto 313.
• 12 years agoHelpfull: Yes(50) No(7)
• I think 313 pages are there.
• 12 years agoHelpfull: Yes(9) No(6)
• total 316 pages
• 12 years agoHelpfull: Yes(4) No(10)
• 18 terms between 1-100 of 3
  18 terms between 101-200 of 3
  19 terms between 201-300.one extra for 300
  301-318......17 appearences of 3......dat makes 18+18+19+17=76....done...no. of pages are 318
• 11 years agoHelpfull: Yes(4) No(7)
• 334
  as 3 will appear 11 times in 1-100
  so 3 will appear 33 times in 1-299
  then 3 will come 42 times in 300-333
  therefore the no of pages should be at least 334 for appearing 3 for 76 times.
• 12 years agoHelpfull: Yes(1) No(19)
• pp is right
  ans 313
• 11 years agoHelpfull: Yes(1) No(0)
• 1 to 100 ,3 appears 14 times i.e 3,13,23,33,36,39,43,53,63,73,83,93,30 so 100 to 200 14 times 200 to 300 15 times so total is 14 +14 +15=43 it is sais 3 appears 76 times 76-43=33 remaining so 301,302,303,304,305,306,307,308,309,310=10 times so on 310-320=11 times 320-330=12 so 330 pages.
• 11 years agoHelpfull: Yes(1) No(5)
• ans--334pages
  
• 11 years agoHelpfull: Yes(0) No(1)
• 1 to 100-20.
  101 to 200-20.
  200 to 331-36.
  so total 76 times,331 pages
• 10 years agoHelpfull: Yes(0) No(0)
• 0--93-->19 times:
  103-193-->20 times:
  203-293-->20 times:
  i.e 59 times:
  at 300-->60th time:
  at 303-->61th time: ??
• 6 years agoHelpfull: Yes(0) No(0)
• 0--93-->20 times:
  103-193-->20 times:
  203-293-->20 times:
  i.e 60 times:
  at 300-->61th time:??
• 6 years agoHelpfull: Yes(0) No(0)
• 313 is answer.
• 6 years agoHelpfull: Yes(0) No(0)