In an examination, 30% of total students failed in Hindi, 35% failed in English and 35% in both. The percentage of these who passed in both the subjects is :
Choose the correct choice from the following answers: A) 10% B) 20% C) 30% D) 70% E) 50%
pass percentage = 100 - (30+35-35) = 100-30= 
<gadget id="calculator">100-30</gadget>
<output>70</output>
70   ANSWER:70%
<result>D</result>
In an examination, 30% of total students failed in Hindi, 35% failed in English and 35% in both. The percentage of these who passed in both the subjects is :