Passage
Read the given information carefully and answer the following questions Ratio of the number of Mobile to laptops sold in shop P is 12:7 respectively. The number of Mobile charger sold in shop P is 33.33 % of the number of Mobile sold in the same shop. In shop Q, the number of Mobile and Mobile charger sold is 50 less and 10 more than that of the number of laptops sold. The average number of Mobile charger and laptops sold in shop P is 110 and the number of Mobile sold in shop Q is 150. Ratio of the number of Mobile sold in shops P to R is 4:5 respectively. The number of Mobile and laptops sold in shop R is 66.67% more and 16.67% less than the number of Mobile charger sold in the same shop.
Find the average number of Mobiles sold in shops P, Q and R together.