Question

How much more is Nitrogen than Oxygen?

• A. $99\%$
• B. $78\%$
• C. $57\%$
• D. None of these

Answer 1

Answer: (C)

$57\%$

$\Rightarrow$ From the pie graph we are going to form a table :

$GasesName$	$\%ofgases$
$Nitrogen$	$78\%$
$Oxygen$	$21\%$
$Othergases$	$1\%$

$\Rightarrow$ Percentage of Nitrogen $=78\%$

$\Rightarrow$ Percentage of Oxygen $=21\%$

$\Rightarrow$ How much more Nitrogen than Oxygen $=78\%-21\%=57\%$