Answers

2015-07-09T19:40:21+05:30
Numbers 1,2,3,4,5,6,7,8,9,......... till inifinty are known as natural numbers
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2015-07-09T19:40:50+05:30
Natural numbers are those that appear after 1 so you can write it like this 1,2,3,4,5,6,7,8,9 and so on......
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