How many times does the digit 1 appear in the number 500, solution please

Question

anonymous · Answer

0

anonymous · Answer

none

anonymous · Answer

Nonononono, I mean 1,2,3,4,5....500

anonymous · Answer

lol

sriram · Answer

19*5+100

anonymous · Answer

oooooooooo
1,11,12,13,14,15,16,17,18,19,21,31,41,51,61,71,81,91,101,111,112,113,114,115,116,117,118,119,121,131,141,151,161,171,181,191...........

myininaya · Answer

i don't get it

sriram · Answer

19*5+100=195

anonymous · Answer

@sriram 

how did you work that out?

anonymous · Answer

Yeah How did you work that out so fast

myininaya · Answer

i don't understand the question
there is no digit 1 in 500
500 has the digits 5, 0 (multiplicity 2)

sandra · Answer

the question is the numbers 1-500

anonymous · Answer

ihe meant  1 to 500 @myininaya

anonymous · Answer

@myininaya

He meant in the range 1,2,...,500

myininaya · Answer

ok

anonymous · Answer

200 times right?

pokemon23 · Answer

bob96 can you help me in math?

anonymous · Answer

bob06, solution?

anonymous · Answer

http://au.answers.yahoo.com/question/index?qid=20100908033614AADkMBv

anonymous · Answer

@pokemon sure but make it fast ;)

sriram · Answer

look from 1 to 100
10 digits end wid 1 (,1,11,21,31...91
n 10 srart wid 1 (10,11,12...19)
hence 20 1,s from 1to 99
same for 200 to 299 and 300 to 399 & 400 to 500
bt100 to 199 20  ones wid 100  ones in hundreds place 

hence 20*5 +100=200
previous ans wrong

anonymous · Answer

good answer, but you got a solution without using computers?

anonymous · Answer

I've got a solution using computers :-D

There's also an analytical solution without computers.

sriram · Answer

yep

anonymous · Answer

Sriram is right

anonymous · Answer

Well, got my answer thanks to all