In a family 11 people eat only vegetarian, 6 people eat only non veg., 9 people eat both veg and non veg.. How many people eat veg in the family?
Choose the correct choice from the following choices.
A) 20 B) 11 C) 9 D) 31 E) 21
Total people eat veg = only veg + both veg and non veg   Total= 11+9= 
<gadget id="calculator">11+9</gadget>
<output>20</output>
20   20nswer= 20
<result>A</result>
In a family 11 people eat only vegetarian, 6 people eat only non veg., 9 people eat both veg and non veg.. How many people eat veg in the family?