Number of zeros

i2aGuru · 1 Number of zeros Tue May 04, 2010 9:08 am

Posts : 26
Join date : 2010-03-10

A certain street has 1000 buildings. A sign-maker is contracted to number the
houses from 1 to 1000. How many zeroes will he need?

sadanand · 2 no of zeros Wed May 05, 2010 1:30 am

Posts : 1
Join date : 2010-05-05

i2aGuru wrote:A certain street has 1000 buildings. A sign-maker is contracted to number the
houses from 1 to 1000. How many zeroes will he need?

220

i2aGuru · 3 @ Sadanand Wed May 05, 2010 10:30 am

Posts : 26
Join date : 2010-03-10

The answer is not correct. Can you give it a try once again.

codecrker · 4 Re: Number of zeros Thu May 06, 2010 9:29 pm

Posts : 28
Join date : 2010-04-26

192..

i2aGuru · 5 @codecrkr Thu May 06, 2010 11:26 pm

Posts : 26
Join date : 2010-03-10

this is the right answer . good job.

stars · 6 re: no of zeros Sat May 08, 2010 7:02 pm

Posts : 3
Join date : 2010-05-08
Location : nie ,mysore

1 to 100 - 11 0's
101 to 200 -20 0's
.
.
.
.
.
801 to 900 -20 0's
901 o 1000 -21 0's
total= 11+20*8+21=192

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1 Number of zeros Tue May 04, 2010 9:08 am