In the chapter test its written that nitrogen is 3/4 part of the air but in my book its written - Science - Air Around Us

Question

In the chapter test its written that nitrogen is 3/4 part of the
air but in my book its written that it is4/5 part of air

Kranav Sharma · Accepted Answer

Well, there's not much difference between 3/4 (0 75) and 4/5 (0
80) so we can use either of the two, it wouldn't make much of a
difference at this level Just remember that this refers to the
percentage of nitrogen in atmosphere which exists in majority

In the chapter test its written that nitrogen is 3/4 part of the air but in my book its written that it is4/5 part of air.