In a urban village of india named "owlna" , 70% people have refrigerator , 75% people have television , 90% people got computers and 85% got Air-conditionor. how many people(minimum) got all these luxury.  Choose one
A) 23 % B) 17 % C) 11 % D) 10 % E) 20 %

Rationale: "e 10 % 100 - [ ( 100 - 85 ) + ( 100 - 90 ) + ( 100 - 75 ) + ( 100 - 70 ) ] = 100 - ( 30 + 25 + 10 + 15 ) = 100 - 80"
Answer: E