a builder get a contract of making a building. He suited specific no to every one from no. 1 to 500.How many zeroes will he needed and option are-
1) 90
2)91
3)92
4)89
Dear Student,
The number of zeros required from 1 to 100
10,20,30,....90-- total 9
from 100 to 109 - 11 zeros
from 110,120....190-- 9 zeros
from 200 to 209 -11 zeros
from 210 to 290 - 9 zeros
similarly from 300 to 390- 11+9
similarly from 400 to 490- 11+9
for 500 -2 zeros
Hence total zeros- 20+20+20+20+9+2
=91 zeros
Hence option B is correct answer
Regards,
The number of zeros required from 1 to 100
10,20,30,....90-- total 9
from 100 to 109 - 11 zeros
from 110,120....190-- 9 zeros
from 200 to 209 -11 zeros
from 210 to 290 - 9 zeros
similarly from 300 to 390- 11+9
similarly from 400 to 490- 11+9
for 500 -2 zeros
Hence total zeros- 20+20+20+20+9+2
=91 zeros
Hence option B is correct answer
Regards,