WBJEE 2015 Math Solved Paper

A survey of people in a given region showed that 20% were smokers. The probability of death due to lung cancer, giventhat a person smoked, was 10 times the probability of death due to lung cancer, given that a person did not smoke.If the probability of death due to lung cancer in the region is 0.006, what is the probability of death due to lung cancergiven that a person is a smoker?