Visitors to a show were charged Rs 14 on the first day, Rs. 12 on second day and Rs. 10 third day. The attendance of three days was in the ratio 1 : 2: 5. Find the average charge per person for the whole show.
Correct Answer: Option A
We have attendance of three days in the ratio 1 : 2: 5
Let us take m people visited on day 1, 2m people visited in day 2, and 5m people visited on day
3.
Hence total people visited = m + 2m + 5m
= 8m
Total amount of money spent by m people who visited on day 1 = 14 × m
= 14m
Total amount of money spent by 2m people who visited on day 2 = 12 × 2m
= 24m
Total amount of money spent by 5m people who visited on day 3 = 10 × 5m
= 50m
Total money spent by 8m people = 14m + 24m + 50m
= 88m
Average money spent by each person = Total money spent/total persons visited
= 88m/8m
= Rs 11
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