Question

Passing percentage marks in an exam are $40\%$ a student obtained $72$ out of $200$. By what percent did he fail?

Answer 1

Find the percentage of failure.

Passing percentage marks in an exam$=40\%$

Number obtained by a student$=72$

Marks obtained by the student in percentage$=\frac{72}{200}\times 100$

$=36\%$

So,

Percentage of failure$=40\%-36\%$

$=4\%$

Therefore, a student failed by $4\%$.