In an examination 40% failed in Hindi, 45% failed in English. If 25% students failed in both the subjects. Then the percentage of failed students is? Choose the correct choice from the following.
A) 60	B) 20	C) 25	D) 30	E) 40
15+25+20= 
<gadget id="calculator">15+25+20</gadget>
<output>60</output>
60   60NSWER 60
<result>A</result>
In an examination 40% failed in Hindi, 45% failed in English. If 25% students failed in both the subjects. Then the percentage of failed students is?