Question 103
DIRECTION for the question: Solve the following question and mark the best possible option.
Visitors to a show were charged Rs. 15 each on the first day, Rs 7.50 on the second day and Rs. 2.50 each on the third day. The attendance on the three days was in the ratio 2 : 5 : 13. The average charge per person for the whole show was
Solution
Let us assume that the attendance on the three days was 2, 5 and 13 people respectively.
Total amount charged = 2*15 + 5*7.5 + 13*2.5 = 100.
The average charge per person = $$\frac{Total}{Total\ attendance}=\frac{100}{2+5+13}=\frac{100}{20}=5$$ Rs.
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