Answers

2015-05-02T12:42:19+05:30
It would not be easy for us to count large numbers.Without zero ,2,20,200 everything seems to be similar.So it will be extremely difficult for us to number by order.Moreover zero takes different value when placed in different places or position.
1 5 1
Thx keerthika1998lekha
Anytime Welcome :)
I think we would be spared from doing this torturous maths!
2015-05-02T12:49:26+05:30
It is had to count numbers . we wouldn't know numbers like 100,1000 ,200 etc... Like numbers coming with zeros
0