Question

In a survey, 70% of those surveyed owned a car and 75% of those surveyed owned a TV. If 55% owned both a car and a TV, what percent of those surveyed did not own either a car or a TV?

Answer 1

Answer:

Per cent of those surveyed who did not own either a car or a TV

=100−(20+55+15)

=100−90=10%